30711396 has 12 divisors (see below), whose sum is σ = 71659952. Its totient is φ = 10237128.

The previous prime is 30711389. The next prime is 30711397. The reversal of 30711396 is 69311703.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (30711397) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1279630 + ... + 1279653.

Almost surely, 2^30711396 is an apocalyptic number.

It is an amenable number.

30711396 is an abundant number, since it is smaller than the sum of its proper divisors (40948556).

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

30711396 is a wasteful number, since it uses less digits than its factorization.

30711396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2559290 (or 2559288 counting only the distinct ones).

The product of its (nonzero) digits is 3402, while the sum is 30.

The square root of 30711396 is about 5541.7863545972. The cubic root of 30711396 is about 313.1601693956.

The spelling of 30711396 in words is "thirty million, seven hundred eleven thousand, three hundred ninety-six".