30994593 has 16 divisors (see below), whose sum is σ = 49284096. Its totient is φ = 16940880.

The previous prime is 30994589. The next prime is 30994597. The reversal of 30994593 is 39549903.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (30994589) and next prime (30994597).

It is not a de Polignac number, because 30994593 - 2² = 30994589 is a prime.

It is not an unprimeable number, because it can be changed into a prime (30994597) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31603 + ... + 32568.

It is an arithmetic number, because the mean of its divisors is an integer number (3080256).

Almost surely, 2^30994593 is an apocalyptic number.

It is an amenable number.

30994593 is a deficient number, since it is larger than the sum of its proper divisors (18289503).

30994593 is a wasteful number, since it uses less digits than its factorization.

30994593 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64204.

The product of its (nonzero) digits is 131220, while the sum is 42.

The square root of 30994593 is about 5567.2787787213. The cubic root of 30994593 is about 314.1198002576.

The spelling of 30994593 in words is "thirty million, nine hundred ninety-four thousand, five hundred ninety-three".