1604408201 has 16 divisors (see below), whose sum is σ = 1854534528. Its totient is φ = 1371782400.

The previous prime is 1604408191. The next prime is 1604408219. The reversal of 1604408201 is 1028044061.

It is a cyclic number.

It is not a de Polignac number, because 1604408201 - 2²² = 1600213897 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1604408291) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 413396 + ... + 417258.

It is an arithmetic number, because the mean of its divisors is an integer number (115908408).

Almost surely, 2^1604408201 is an apocalyptic number.

1604408201 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1604408201 is a deficient number, since it is larger than the sum of its proper divisors (250126327).

1604408201 is a wasteful number, since it uses less digits than its factorization.

1604408201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6112.

The product of its (nonzero) digits is 1536, while the sum is 26.

The square root of 1604408201 is about 40055.0646111075. The cubic root of 1604408201 is about 1170.6802484902.

The spelling of 1604408201 in words is "one billion, six hundred four million, four hundred eight thousand, two hundred one".