1000655404 has 24 divisors (see below), whose sum is σ = 2003678208. Its totient is φ = 428345040.

The previous prime is 1000655363. The next prime is 1000655441. The reversal of 1000655404 is 4045560001.

1000655404 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×1000655404² = 2002622475108806432, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3459 + ... + 44869.

It is an arithmetic number, because the mean of its divisors is an integer number (83486592).

Almost surely, 2^1000655404 is an apocalyptic number.

1000655404 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1000655404 is an abundant number, since it is smaller than the sum of its proper divisors (1003022804).

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

1000655404 is a wasteful number, since it uses less digits than its factorization.

1000655404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42285 (or 42283 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 1000655404 is about 31633.1377514150. The cubic root of 1000655404 is about 1000.2184202891.

The spelling of 1000655404 in words is "one billion, six hundred fifty-five thousand, four hundred four".