43997376 has 28 divisors (see below), whose sum is σ = 116410232. Its totient is φ = 14665728.

The previous prime is 43997353. The next prime is 43997419. The reversal of 43997376 is 67379934.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 114385 + ... + 114768.

Almost surely, 2^43997376 is an apocalyptic number.

It is an amenable number.

43997376 is an abundant number, since it is smaller than the sum of its proper divisors (72412856).

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

43997376 is a wasteful number, since it uses less digits than its factorization.

43997376 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 229168 (or 229158 counting only the distinct ones).

The product of its digits is 857304, while the sum is 48.

The square root of 43997376 is about 6633.0517863198. The cubic root of 43997376 is about 353.0278154885.

The spelling of 43997376 in words is "forty-three million, nine hundred ninety-seven thousand, three hundred seventy-six".