30965394 has 16 divisors (see below), whose sum is σ = 62419968. Its totient is φ = 10240272.

The previous prime is 30965377. The next prime is 30965401. The reversal of 30965394 is 49356903.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19557 + ... + 21080.

It is an arithmetic number, because the mean of its divisors is an integer number (3901248).

Almost surely, 2^30965394 is an apocalyptic number.

30965394 is an abundant number, since it is smaller than the sum of its proper divisors (31454574).

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

30965394 is a wasteful number, since it uses less digits than its factorization.

30965394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40769.

The product of its (nonzero) digits is 87480, while the sum is 39.

The square root of 30965394 is about 5564.6557845028. The cubic root of 30965394 is about 314.0211285768.

It can be divided in two parts, 309 and 65394, that added together give a triangular number (65703 = T₃₆₂).

The spelling of 30965394 in words is "thirty million, nine hundred sixty-five thousand, three hundred ninety-four".