406390601 has 32 divisors (see below), whose sum is σ = 458006400. Its totient is φ = 359009280.

The previous prime is 406390597. The next prime is 406390613. The reversal of 406390601 is 106093604.

It is a cyclic number.

It is not a de Polignac number, because 406390601 - 2² = 406390597 is a prime.

It is a super-2 number, since 2×406390601² = 330306641162282402, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is not an unprimeable number, because it can be changed into a prime (406390651) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3596321 + ... + 3596433.

It is an arithmetic number, because the mean of its divisors is an integer number (14312700).

Almost surely, 2^406390601 is an apocalyptic number.

It is an amenable number.

406390601 is a deficient number, since it is larger than the sum of its proper divisors (51615799).

406390601 is a wasteful number, since it uses less digits than its factorization.

406390601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 329.

The product of its (nonzero) digits is 3888, while the sum is 29.

The square root of 406390601 is about 20159.1319505578. The cubic root of 406390601 is about 740.7094492795.

It can be divided in two parts, 4063 and 90601, that multiplied together give a palindrome (368111863).

The spelling of 406390601 in words is "four hundred six million, three hundred ninety thousand, six hundred one".