43950920 has 32 divisors (see below), whose sum is σ = 106497720. Its totient is φ = 16227840.

The previous prime is 43950919. The next prime is 43950923. The reversal of 43950920 is 2905934.

It can be written as a sum of positive squares in 4 ways, for example, as 11847364 + 32103556 = 3442^2 + 5666^2 .

It is not an unprimeable number, because it can be changed into a prime (43950923) 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, 41741 + ... + 42780.

Almost surely, 2^43950920 is an apocalyptic number.

43950920 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

43950920 is an abundant number, since it is smaller than the sum of its proper divisors (62546800).

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

43950920 is a wasteful number, since it uses less digits than its factorization.

43950920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84545 (or 84541 counting only the distinct ones).

The product of its (nonzero) digits is 9720, while the sum is 32.

The square root of 43950920 is about 6629.5490042687. The cubic root of 43950920 is about 352.9035199258.

The spelling of 43950920 in words is "forty-three million, nine hundred fifty thousand, nine hundred twenty".