406775090 has 16 divisors (see below), whose sum is σ = 743124672. Its totient is φ = 160281264.

The previous prime is 406775071. The next prime is 406775101. The reversal of 406775090 is 90577604.

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, 302894 + ... + 304233.

It is an arithmetic number, because the mean of its divisors is an integer number (46445292).

Almost surely, 2^406775090 is an apocalyptic number.

406775090 is a deficient number, since it is larger than the sum of its proper divisors (336349582).

406775090 is a wasteful number, since it uses less digits than its factorization.

406775090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 607201.

The product of its (nonzero) digits is 52920, while the sum is 38.

The square root of 406775090 is about 20168.6660441389. Note that the first 3 decimals coincide. The cubic root of 406775090 is about 740.9429724520.

The spelling of 406775090 in words is "four hundred six million, seven hundred seventy-five thousand, ninety".