30294936 has 144 divisors (see below), whose sum is σ = 98879040. Its totient is φ = 8346240.

The previous prime is 30294883. The next prime is 30294973. The reversal of 30294936 is 63949203.

It is a happy number.

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 30294936.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 109230 + ... + 109506.

It is an arithmetic number, because the mean of its divisors is an integer number (686660).

Almost surely, 2^30294936 is an apocalyptic number.

30294936 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 30294936, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (49439520).

30294936 is an abundant number, since it is smaller than the sum of its proper divisors (68584104).

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

30294936 is a wasteful number, since it uses less digits than its factorization.

30294936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 334 (or 320 counting only the distinct ones).

The product of its (nonzero) digits is 34992, while the sum is 36.

The square root of 30294936 is about 5504.0835749469. The cubic root of 30294936 is about 311.7381926008.

The spelling of 30294936 in words is "thirty million, two hundred ninety-four thousand, nine hundred thirty-six".