406669937 has 16 divisors (see below), whose sum is σ = 437814720. Its totient is φ = 376384512.

The previous prime is 406669931. The next prime is 406669943. The reversal of 406669937 is 739966604.

It is an interprime number because it is at equal distance from previous prime (406669931) and next prime (406669943).

It is a cyclic number.

It is not a de Polignac number, because 406669937 - 2¹² = 406665841 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (406669931) 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, 266258 + ... + 267780.

It is an arithmetic number, because the mean of its divisors is an integer number (27363420).

Almost surely, 2^406669937 is an apocalyptic number.

It is an amenable number.

406669937 is a deficient number, since it is larger than the sum of its proper divisors (31144783).

406669937 is a wasteful number, since it uses less digits than its factorization.

406669937 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1792.

The product of its (nonzero) digits is 1469664, while the sum is 50.

The square root of 406669937 is about 20166.0590349230. The cubic root of 406669937 is about 740.8791213683.

The spelling of 406669937 in words is "four hundred six million, six hundred sixty-nine thousand, nine hundred thirty-seven".