30497236 has 24 divisors (see below), whose sum is σ = 66540096. Its totient is φ = 11881920.

The previous prime is 30497227. The next prime is 30497237. The reversal of 30497236 is 63279403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30497237) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 49201 + ... + 49816.

It is an arithmetic number, because the mean of its divisors is an integer number (2772504).

Almost surely, 2^30497236 is an apocalyptic number.

It is an amenable number.

30497236 is an abundant number, since it is smaller than the sum of its proper divisors (36042860).

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

30497236 is a wasteful number, since it uses less digits than its factorization.

30497236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99039 (or 99037 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 34.

The square root of 30497236 is about 5522.4302621219. The cubic root of 30497236 is about 312.4305501133.

The spelling of 30497236 in words is "thirty million, four hundred ninety-seven thousand, two hundred thirty-six".