1836500394 has 16 divisors (see below), whose sum is σ = 3697653600. Its totient is φ = 608058000.

The previous prime is 1836500381. The next prime is 1836500401. The reversal of 1836500394 is 4930056381.

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, 1026232 + ... + 1028019.

It is an arithmetic number, because the mean of its divisors is an integer number (231103350).

Almost surely, 2^1836500394 is an apocalyptic number.

1836500394 is an abundant number, since it is smaller than the sum of its proper divisors (1861153206).

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

1836500394 is a wasteful number, since it uses less digits than its factorization.

1836500394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2054405.

The product of its (nonzero) digits is 77760, while the sum is 39.

The square root of 1836500394 is about 42854.4092713924. The cubic root of 1836500394 is about 1224.6077642462.

The spelling of 1836500394 in words is "one billion, eight hundred thirty-six million, five hundred thousand, three hundred ninety-four".