30940506 has 24 divisors (see below), whose sum is σ = 69350580. Its totient is φ = 9957696.

The previous prime is 30940463. The next prime is 30940537. The reversal of 30940506 is 60504903.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 30902481 + 38025 = 5559^2 + 195^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 30940506.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 29115 + ... + 30158.

Almost surely, 2^30940506 is an apocalyptic number.

30940506 is an abundant number, since it is smaller than the sum of its proper divisors (38410074).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30940506 is a wasteful number, since it uses less digits than its factorization.

30940506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59310 (or 59307 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 27.

The square root of 30940506 is about 5562.4190780631. The cubic root of 30940506 is about 313.9369760051.

The spelling of 30940506 in words is "thirty million, nine hundred forty thousand, five hundred six".