406164401 has 8 divisors (see below), whose sum is σ = 425234880. Its totient is φ = 387431632.

The previous prime is 406164397. The next prime is 406164419. The reversal of 406164401 is 104461604.

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 406164401 - 2² = 406164397 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (406164431) 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, 81965 + ... + 86778.

It is an arithmetic number, because the mean of its divisors is an integer number (53154360).

Almost surely, 2^406164401 is an apocalyptic number.

It is an amenable number.

406164401 is a deficient number, since it is larger than the sum of its proper divisors (19070479).

406164401 is a wasteful number, since it uses less digits than its factorization.

406164401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168855.

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

The square root of 406164401 is about 20153.5208090299. The cubic root of 406164401 is about 740.5719956631.

The spelling of 406164401 in words is "four hundred six million, one hundred sixty-four thousand, four hundred one".