406475961 has 16 divisors (see below), whose sum is σ = 545832000. Its totient is φ = 269059328.

The previous prime is 406475939. The next prime is 406475963. The reversal of 406475961 is 169574604.

It is a cyclic number.

It is not a de Polignac number, because 406475961 - 2⁶ = 406475897 is a prime.

It is not an unprimeable number, because it can be changed into a prime (406475963) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 386965 + ... + 388013.

It is an arithmetic number, because the mean of its divisors is an integer number (34114500).

Almost surely, 2^406475961 is an apocalyptic number.

It is an amenable number.

406475961 is a deficient number, since it is larger than the sum of its proper divisors (139356039).

406475961 is a wasteful number, since it uses less digits than its factorization.

406475961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1848.

The product of its (nonzero) digits is 181440, while the sum is 42.

The square root of 406475961 is about 20161.2489940480. The cubic root of 406475961 is about 740.7613062304.

The spelling of 406475961 in words is "four hundred six million, four hundred seventy-five thousand, nine hundred sixty-one".