30499790 has 16 divisors (see below), whose sum is σ = 55187568. Its totient is φ = 12135936.

The previous prime is 30499787. The next prime is 30499811. The reversal of 30499790 is 9799403.

It is a congruent number.

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, 5972 + ... + 9831.

It is an arithmetic number, because the mean of its divisors is an integer number (3449223).

Almost surely, 2^30499790 is an apocalyptic number.

30499790 is a deficient number, since it is larger than the sum of its proper divisors (24687778).

30499790 is a wasteful number, since it uses less digits than its factorization.

30499790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16003.

The product of its (nonzero) digits is 61236, while the sum is 41.

The square root of 30499790 is about 5522.6614960542. The cubic root of 30499790 is about 312.4392713993.

The spelling of 30499790 in words is "thirty million, four hundred ninety-nine thousand, seven hundred ninety".