43408090 has 16 divisors (see below), whose sum is σ = 85237920. Its totient is φ = 15784720.

The previous prime is 43408073. The next prime is 43408093. The reversal of 43408090 is 9080434.

It is not an unprimeable number, because it can be changed into a prime (43408093) 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, 197200 + ... + 197419.

It is an arithmetic number, because the mean of its divisors is an integer number (5327370).

Almost surely, 2^43408090 is an apocalyptic number.

43408090 is a deficient number, since it is larger than the sum of its proper divisors (41829830).

43408090 is a wasteful number, since it uses less digits than its factorization.

43408090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 394637.

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 43408090 is about 6588.4816156684. The cubic root of 43408090 is about 351.4446142298. Note that the first 3 decimals are identical.

The spelling of 43408090 in words is "forty-three million, four hundred eight thousand, ninety".