30045996 has 18 divisors (see below), whose sum is σ = 75949692. Its totient is φ = 10015320.

The previous prime is 30045941. The next prime is 30046007. The reversal of 30045996 is 69954003.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 834611 = 30045996 / (3 + 0 + 0 + 4 + 5 + 9 + 9 + 6).

It is a self number, because there is not a number n which added to its sum of digits gives 30045996.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 417270 + ... + 417341.

Almost surely, 2^30045996 is an apocalyptic number.

30045996 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

30045996 is an abundant number, since it is smaller than the sum of its proper divisors (45903696).

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

30045996 is a wasteful number, since it uses less digits than its factorization.

30045996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 834621 (or 834616 counting only the distinct ones).

The product of its (nonzero) digits is 29160, while the sum is 36.

The square root of 30045996 is about 5481.4228079943. The cubic root of 30045996 is about 310.8819698028.

Adding to 30045996 its reverse (69954003), we get a palindrome (99999999).

The spelling of 30045996 in words is "thirty million, forty-five thousand, nine hundred ninety-six".