406623674 has 32 divisors (see below), whose sum is σ = 673660800. Its totient is φ = 183314880.

The previous prime is 406623661. The next prime is 406623689. The reversal of 406623674 is 476326604.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 75644 + ... + 80840.

It is an arithmetic number, because the mean of its divisors is an integer number (21051900).

Almost surely, 2^406623674 is an apocalyptic number.

406623674 is a deficient number, since it is larger than the sum of its proper divisors (267037126).

406623674 is a wasteful number, since it uses less digits than its factorization.

406623674 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5318.

The product of its (nonzero) digits is 145152, while the sum is 38.

The square root of 406623674 is about 20164.9119512087. The cubic root of 406623674 is about 740.8510260282.

The spelling of 406623674 in words is "four hundred six million, six hundred twenty-three thousand, six hundred seventy-four".