404062878 has 16 divisors (see below), whose sum is σ = 809876736. Its totient is φ = 134395800.

The previous prime is 404062871. The next prime is 404062907. The reversal of 404062878 is 878260404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (404062871) 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, 69948 + ... + 75503.

It is an arithmetic number, because the mean of its divisors is an integer number (50617296).

Almost surely, 2^404062878 is an apocalyptic number.

404062878 is an abundant number, since it is smaller than the sum of its proper divisors (405813858).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

404062878 is a wasteful number, since it uses less digits than its factorization.

404062878 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145919.

The product of its (nonzero) digits is 86016, while the sum is 39.

The square root of 404062878 is about 20101.3153300972. The cubic root of 404062878 is about 739.2925293471.

The spelling of 404062878 in words is "four hundred four million, sixty-two thousand, eight hundred seventy-eight".