404106477 has 8 divisors (see below), whose sum is σ = 539152416. Its totient is φ = 269232432.

The previous prime is 404106467. The next prime is 404106487. The reversal of 404106477 is 774601404.

It is an interprime number because it is at equal distance from previous prime (404106467) and next prime (404106487).

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

It is not a de Polignac number, because 404106477 - 2⁷ = 404106349 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (404106457) 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, 37383 + ... + 46964.

It is an arithmetic number, because the mean of its divisors is an integer number (67394052).

Almost surely, 2^404106477 is an apocalyptic number.

It is an amenable number.

404106477 is a deficient number, since it is larger than the sum of its proper divisors (135045939).

404106477 is a wasteful number, since it uses less digits than its factorization.

404106477 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85947.

The product of its (nonzero) digits is 18816, while the sum is 33.

The square root of 404106477 is about 20102.3997821156. The cubic root of 404106477 is about 739.3191186541.

The spelling of 404106477 in words is "four hundred four million, one hundred six thousand, four hundred seventy-seven".