1420238904 has 64 divisors (see below), whose sum is σ = 4271404800. Its totient is φ = 384424704.

The previous prime is 1420238887. The next prime is 1420238917. The reversal of 1420238904 is 4098320241.

It is a congruent number.

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, 219277 + ... + 225660.

It is an arithmetic number, because the mean of its divisors is an integer number (66740700).

Almost surely, 2^1420238904 is an apocalyptic number.

1420238904 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1420238904 is an abundant number, since it is smaller than the sum of its proper divisors (2851165896).

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

1420238904 is a wasteful number, since it uses less digits than its factorization.

1420238904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 444972 (or 444968 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 33.

The square root of 1420238904 is about 37686.0571564604. The cubic root of 1420238904 is about 1124.0538953315.

The spelling of 1420238904 in words is "one billion, four hundred twenty million, two hundred thirty-eight thousand, nine hundred four".