404041601 has 16 divisors (see below), whose sum is σ = 443543040. Its totient is φ = 366347520.

The previous prime is 404041553. The next prime is 404041663. The reversal of 404041601 is 106140404.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 404041601 - 2⁶ = 404041537 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (404041301) 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, 407216 + ... + 408206.

It is an arithmetic number, because the mean of its divisors is an integer number (27721440).

Almost surely, 2^404041601 is an apocalyptic number.

It is an amenable number.

404041601 is a deficient number, since it is larger than the sum of its proper divisors (39501439).

404041601 is a wasteful number, since it uses less digits than its factorization.

404041601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1864.

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 404041601 is about 20100.7860791562. The cubic root of 404041601 is about 739.2795526512.

The spelling of 404041601 in words is "four hundred four million, forty-one thousand, six hundred one".