30964894 has 4 divisors (see below), whose sum is σ = 46447344. Its totient is φ = 15482446.

The previous prime is 30964873. The next prime is 30964897. The reversal of 30964894 is 49846903.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 30964894.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30964897) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7741222 + ... + 7741225.

It is an arithmetic number, because the mean of its divisors is an integer number (11611836).

Almost surely, 2^30964894 is an apocalyptic number.

30964894 is a deficient number, since it is larger than the sum of its proper divisors (15482450).

30964894 is a wasteful number, since it uses less digits than its factorization.

30964894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15482449.

The product of its (nonzero) digits is 186624, while the sum is 43.

The square root of 30964894 is about 5564.6108579127. The cubic root of 30964894 is about 314.0194383953.

The spelling of 30964894 in words is "thirty million, nine hundred sixty-four thousand, eight hundred ninety-four".