406008831 has 8 divisors (see below), whose sum is σ = 541874304. Its totient is φ = 270407960.

The previous prime is 406008809. The next prime is 406008851. The reversal of 406008831 is 138800604.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 406008831 - 2⁷ = 406008703 is a prime.

It is a super-2 number, since 2×406008831² = 329686341699973122, which contains 22 as substring.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (406008851) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62541 + ... + 68726.

It is an arithmetic number, because the mean of its divisors is an integer number (67734288).

Almost surely, 2^406008831 is an apocalyptic number.

406008831 is a deficient number, since it is larger than the sum of its proper divisors (135865473).

406008831 is a wasteful number, since it uses less digits than its factorization.

406008831 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132301.

The product of its (nonzero) digits is 4608, while the sum is 30.

The square root of 406008831 is about 20149.6608160038. The cubic root of 406008831 is about 740.4774317397.

The spelling of 406008831 in words is "four hundred six million, eight thousand, eight hundred thirty-one".