406437601 has 4 divisors (see below), whose sum is σ = 406495152. Its totient is φ = 406380052.

The previous prime is 406437599. The next prime is 406437613. The reversal of 406437601 is 106734604.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 406437601 - 2¹ = 406437599 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (406437631) 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, 16411 + ... + 32896.

It is an arithmetic number, because the mean of its divisors is an integer number (101623788).

Almost surely, 2^406437601 is an apocalyptic number.

It is an amenable number.

406437601 is a deficient number, since it is larger than the sum of its proper divisors (57551).

406437601 is an equidigital number, since it uses as much as digits as its factorization.

406437601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57550.

The product of its (nonzero) digits is 12096, while the sum is 31.

The square root of 406437601 is about 20160.2976416520. The cubic root of 406437601 is about 740.7380030912.

The spelling of 406437601 in words is "four hundred six million, four hundred thirty-seven thousand, six hundred one".