30371796 has 144 divisors (see below), whose sum is σ = 96538624. Its totient is φ = 7838208.

The previous prime is 30371791. The next prime is 30371813. The reversal of 30371796 is 69717303.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 30371796.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30371791) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 239085 + ... + 239211.

Almost surely, 2^30371796 is an apocalyptic number.

30371796 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30371796, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48269312).

30371796 is an abundant number, since it is smaller than the sum of its proper divisors (66166828).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30371796 is a wasteful number, since it uses less digits than its factorization.

30371796 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230 (or 225 counting only the distinct ones).

The product of its (nonzero) digits is 23814, while the sum is 36.

The square root of 30371796 is about 5511.0612408138. The cubic root of 30371796 is about 312.0016025559.

The spelling of 30371796 in words is "thirty million, three hundred seventy-one thousand, seven hundred ninety-six".