1914402388 has 12 divisors (see below), whose sum is σ = 3350982880. Its totient is φ = 956978712.

The previous prime is 1914402353. The next prime is 1914402389. The reversal of 1914402388 is 8832044191.

It is a self number, because there is not a number n which added to its sum of digits gives 1914402388.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1914402389) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35448 + ... + 71311.

Almost surely, 2^1914402388 is an apocalyptic number.

It is an amenable number.

1914402388 is a deficient number, since it is larger than the sum of its proper divisors (1436580492).

1914402388 is a wasteful number, since it uses less digits than its factorization.

1914402388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111246 (or 111244 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 40.

The square root of 1914402388 is about 43753.8842618573. The cubic root of 1914402388 is about 1241.6839737619.

The spelling of 1914402388 in words is "one billion, nine hundred fourteen million, four hundred two thousand, three hundred eighty-eight".