1899677004 has 12 divisors (see below), whose sum is σ = 4432579704. Its totient is φ = 633225664.

The previous prime is 1899676997. The next prime is 1899677009. The reversal of 1899677004 is 4007769981.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (1899677009) 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, 79153197 + ... + 79153220.

It is an arithmetic number, because the mean of its divisors is an integer number (369381642).

Almost surely, 2^1899677004 is an apocalyptic number.

It is an amenable number.

1899677004 is an abundant number, since it is smaller than the sum of its proper divisors (2532902700).

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

1899677004 is a wasteful number, since it uses less digits than its factorization.

1899677004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158306424 (or 158306422 counting only the distinct ones).

The product of its (nonzero) digits is 762048, while the sum is 51.

The square root of 1899677004 is about 43585.2842597132. The cubic root of 1899677004 is about 1238.4921413232.

The spelling of 1899677004 in words is "one billion, eight hundred ninety-nine million, six hundred seventy-seven thousand, four".