406862645 has 16 divisors (see below), whose sum is σ = 558779520. Its totient is φ = 278593344.

The previous prime is 406862633. The next prime is 406862711. The reversal of 406862645 is 546268604.

It is a cyclic number.

It is not a de Polignac number, because 406862645 - 2⁴ = 406862629 is a prime.

It is a Curzon number.

It is a congruent 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, 17726 + ... + 33584.

It is an arithmetic number, because the mean of its divisors is an integer number (34923720).

Almost surely, 2^406862645 is an apocalyptic number.

It is an amenable number.

406862645 is a deficient number, since it is larger than the sum of its proper divisors (151916875).

406862645 is a wasteful number, since it uses less digits than its factorization.

406862645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16604.

The product of its (nonzero) digits is 276480, while the sum is 41.

The square root of 406862645 is about 20170.8364972799. The cubic root of 406862645 is about 740.9961292698.

The spelling of 406862645 in words is "four hundred six million, eight hundred sixty-two thousand, six hundred forty-five".