1914251904 has 48 divisors (see below), whose sum is σ = 5508462570. Its totient is φ = 638083584.

The previous prime is 1914251897. The next prime is 1914251947. The reversal of 1914251904 is 4091524191.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1914237504 + 14400 = 43752^2 + 120^2 .

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 829687 + ... + 831990.

Almost surely, 2^1914251904 is an apocalyptic number.

It is an amenable number.

1914251904 is an abundant number, since it is smaller than the sum of its proper divisors (3594210666).

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

1914251904 is a wasteful number, since it uses less digits than its factorization.

1914251904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1661697 (or 1661682 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 36.

The square root of 1914251904 is about 43752.1645635962. The cubic root of 1914251904 is about 1241.6514382009.

The spelling of 1914251904 in words is "one billion, nine hundred fourteen million, two hundred fifty-one thousand, nine hundred four".