30519996 has 48 divisors (see below), whose sum is σ = 79177728. Its totient is φ = 9086400.

The previous prime is 30519959. The next prime is 30520019. The reversal of 30519996 is 69991503.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1681 + ... + 7991.

It is an arithmetic number, because the mean of its divisors is an integer number (1649536).

Almost surely, 2^30519996 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30519996, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39588864).

30519996 is an abundant number, since it is smaller than the sum of its proper divisors (48657732).

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

30519996 is a wasteful number, since it uses less digits than its factorization.

30519996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6362 (or 6360 counting only the distinct ones).

The product of its (nonzero) digits is 65610, while the sum is 42.

The square root of 30519996 is about 5524.4905647489. The cubic root of 30519996 is about 312.5082527954.

It can be divided in two parts, 305 and 19996, that added together give a triangular number (20301 = T₂₀₁).

The spelling of 30519996 in words is "thirty million, five hundred nineteen thousand, nine hundred ninety-six".