30436980 has 48 divisors (see below), whose sum is σ = 97399680. Its totient is φ = 6956928.

The previous prime is 30436963. The next prime is 30436997. The reversal of 30436980 is 8963403.

It is an interprime number because it is at equal distance from previous prime (30436963) and next prime (30436997).

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 35815 + ... + 36654.

It is an arithmetic number, because the mean of its divisors is an integer number (2029160).

Almost surely, 2^30436980 is an apocalyptic number.

30436980 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

30436980 is an abundant number, since it is smaller than the sum of its proper divisors (66962700).

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

30436980 is a wasteful number, since it uses less digits than its factorization.

30436980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72488 (or 72486 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 33.

The square root of 30436980 is about 5516.9719955787. The cubic root of 30436980 is about 312.2246491868.

The spelling of 30436980 in words is "thirty million, four hundred thirty-six thousand, nine hundred eighty".