30785364 has 36 divisors (see below), whose sum is σ = 78763776. Its totient is φ = 10137168.

The previous prime is 30785357. The next prime is 30785389. The reversal of 30785364 is 46358703.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×30785364² = 1895477273224992, which contains 22 as substring.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2164 + ... + 8139.

Almost surely, 2^30785364 is an apocalyptic number.

It is an amenable number.

30785364 is an abundant number, since it is smaller than the sum of its proper divisors (47978412).

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

30785364 is a wasteful number, since it uses less digits than its factorization.

30785364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10396 (or 10391 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 36.

The square root of 30785364 is about 5548.4560014476. The cubic root of 30785364 is about 313.4113818951.

The spelling of 30785364 in words is "thirty million, seven hundred eighty-five thousand, three hundred sixty-four".