30840502 has 64 divisors (see below), whose sum is σ = 60710400. Its totient is φ = 11642400.

The previous prime is 30840497. The next prime is 30840517. The reversal of 30840502 is 20504803.

It is a super-2 number, since 2×30840502² = 1902273127224008, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 460273 + ... + 460339.

It is an arithmetic number, because the mean of its divisors is an integer number (948600).

Almost surely, 2^30840502 is an apocalyptic number.

30840502 is a deficient number, since it is larger than the sum of its proper divisors (29869898).

30840502 is a wasteful number, since it uses less digits than its factorization.

30840502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162 (or 148 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 30840502 is about 5553.4225483030. The cubic root of 30840502 is about 313.5983816881.

The spelling of 30840502 in words is "thirty million, eight hundred forty thousand, five hundred two".