406662670 has 16 divisors (see below), whose sum is σ = 734913648. Its totient is φ = 162016000.

The previous prime is 406662647. The next prime is 406662713. The reversal of 406662670 is 76266604.

It is a congruent number.

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, 78499 + ... + 83518.

It is an arithmetic number, because the mean of its divisors is an integer number (45932103).

Almost surely, 2^406662670 is an apocalyptic number.

406662670 is a deficient number, since it is larger than the sum of its proper divisors (328250978).

406662670 is a wasteful number, since it uses less digits than its factorization.

406662670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162275.

The product of its (nonzero) digits is 72576, while the sum is 37.

The square root of 406662670 is about 20165.8788551355. The cubic root of 406662670 is about 740.8747082885.

The spelling of 406662670 in words is "four hundred six million, six hundred sixty-two thousand, six hundred seventy".