30499936 has 24 divisors (see below), whose sum is σ = 60487560. Its totient is φ = 15138048.

The previous prime is 30499913. The next prime is 30499949. The reversal of 30499936 is 63999403.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 30499892 and 30499901.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1020 + ... + 7876.

It is an arithmetic number, because the mean of its divisors is an integer number (2520315).

Almost surely, 2^30499936 is an apocalyptic number.

It is an amenable number.

30499936 is a deficient number, since it is larger than the sum of its proper divisors (29987624).

30499936 is a wasteful number, since it uses less digits than its factorization.

30499936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7006 (or 6998 counting only the distinct ones).

The product of its (nonzero) digits is 157464, while the sum is 43.

The square root of 30499936 is about 5522.6747143028. The cubic root of 30499936 is about 312.4397699389.

The spelling of 30499936 in words is "thirty million, four hundred ninety-nine thousand, nine hundred thirty-six".