30949995 has 16 divisors (see below), whose sum is σ = 49800960. Its totient is φ = 16413024.

The previous prime is 30949991. The next prime is 30950011. The reversal of 30949995 is 59994903.

It is not a de Polignac number, because 30949995 - 2² = 30949991 is a prime.

It is not an unprimeable number, because it can be changed into a prime (30949991) 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, 3079 + ... + 8448.

It is an arithmetic number, because the mean of its divisors is an integer number (3112560).

Almost surely, 2^30949995 is an apocalyptic number.

30949995 is a deficient number, since it is larger than the sum of its proper divisors (18850965).

30949995 is a wasteful number, since it uses less digits than its factorization.

30949995 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11714.

The product of its (nonzero) digits is 393660, while the sum is 48.

The square root of 30949995 is about 5563.2719689046. The cubic root of 30949995 is about 313.9690660156.

The spelling of 30949995 in words is "thirty million, nine hundred forty-nine thousand, nine hundred ninety-five".