404001930 has 32 divisors (see below), whose sum is σ = 970377408. Its totient is φ = 107648000.

The previous prime is 404001847. The next prime is 404001943. The reversal of 404001930 is 39100404.

It is a junction number, because it is equal to n+sod(n) for n = 404001897 and 404001906.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38890 + ... + 48170.

It is an arithmetic number, because the mean of its divisors is an integer number (30324294).

Almost surely, 2^404001930 is an apocalyptic number.

404001930 is an abundant number, since it is smaller than the sum of its proper divisors (566375478).

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

404001930 is a wasteful number, since it uses less digits than its factorization.

404001930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10742.

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 404001930 is about 20099.7992527289. The cubic root of 404001930 is about 739.2553563647.

The spelling of 404001930 in words is "four hundred four million, one thousand, nine hundred thirty".