437980 has 24 divisors (see below), whose sum is σ = 937440. Its totient is φ = 171840.

The previous prime is 437977. The next prime is 438001. The reversal of 437980 is 89734.

It is a happy number.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is a plaindrome in base 13.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1041 + ... + 1399.

It is an arithmetic number, because the mean of its divisors is an integer number (39060).

2⁴³⁷⁹⁸⁰ is an apocalyptic number.

It is an amenable number.

437980 is an abundant number, since it is smaller than the sum of its proper divisors (499460).

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

437980 is a wasteful number, since it uses less digits than its factorization.

437980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 429 (or 427 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 437980 is about 661.8005741913. The cubic root of 437980 is about 75.9424772489.

The spelling of 437980 in words is "four hundred thirty-seven thousand, nine hundred eighty".