1904027420 has 12 divisors (see below), whose sum is σ = 3998457624. Its totient is φ = 761610960.

The previous prime is 1904027381. The next prime is 1904027431. The reversal of 1904027420 is 247204091.

It is a super-2 number, since 2×1904027420² = 7250640832223712800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47600666 + ... + 47600705.

It is an arithmetic number, because the mean of its divisors is an integer number (333204802).

Almost surely, 2^1904027420 is an apocalyptic number.

1904027420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1904027420 is an abundant number, since it is smaller than the sum of its proper divisors (2094430204).

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

1904027420 is a wasteful number, since it uses less digits than its factorization.

1904027420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95201380 (or 95201378 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 29.

The square root of 1904027420 is about 43635.1626558215. The cubic root of 1904027420 is about 1239.4368367087.

The spelling of 1904027420 in words is "one billion, nine hundred four million, twenty-seven thousand, four hundred twenty".