234437980 has 24 divisors (see below), whose sum is σ = 562651488. Its totient is φ = 80378688.

The previous prime is 234437977. The next prime is 234437981. The reversal of 234437980 is 89734432.

It is a super-2 number, since 2×234437980² = 109922332932960800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (234437981) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 837139 + ... + 837418.

It is an arithmetic number, because the mean of its divisors is an integer number (23443812).

Almost surely, 2^234437980 is an apocalyptic number.

234437980 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

234437980 is an abundant number, since it is smaller than the sum of its proper divisors (328213508).

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

234437980 is a wasteful number, since it uses less digits than its factorization.

234437980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1674573 (or 1674571 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 40.

The square root of 234437980 is about 15311.3676724191. The cubic root of 234437980 is about 616.6082392497.

The spelling of 234437980 in words is "two hundred thirty-four million, four hundred thirty-seven thousand, nine hundred eighty".