406683031 has 4 divisors (see below), whose sum is σ = 406745064. Its totient is φ = 406621000.

The previous prime is 406683023. The next prime is 406683041. The reversal of 406683031 is 130386604.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 406683031 - 2³ = 406683023 is a prime.

It is a super-2 number, since 2×406683031² = 330782175406693922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 406682984 and 406683002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (406683041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19840 + ... + 34741.

It is an arithmetic number, because the mean of its divisors is an integer number (101686266).

Almost surely, 2^406683031 is an apocalyptic number.

406683031 is a deficient number, since it is larger than the sum of its proper divisors (62033).

406683031 is an equidigital number, since it uses as much as digits as its factorization.

406683031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62032.

The product of its (nonzero) digits is 10368, while the sum is 31.

The square root of 406683031 is about 20166.3836867198. The cubic root of 406683031 is about 740.8870729167.

The spelling of 406683031 in words is "four hundred six million, six hundred eighty-three thousand, thirty-one".