406380401 has 8 divisors (see below), whose sum is σ = 475235904. Its totient is φ = 340225200.

The previous prime is 406380383. The next prime is 406380407. The reversal of 406380401 is 104083604.

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

It is a de Polignac number, because none of the positive numbers 2^k-406380401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (406380407) 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, 674750 + ... + 675351.

It is an arithmetic number, because the mean of its divisors is an integer number (59404488).

Almost surely, 2^406380401 is an apocalyptic number.

It is an amenable number.

406380401 is a deficient number, since it is larger than the sum of its proper divisors (68855503).

406380401 is a wasteful number, since it uses less digits than its factorization.

406380401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1350151.

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 406380401 is about 20158.8789618867. The cubic root of 406380401 is about 740.7032522041.

The spelling of 406380401 in words is "four hundred six million, three hundred eighty thousand, four hundred one".