1490971884 has 24 divisors (see below), whose sum is σ = 3527935488. Its totient is φ = 489990480.

The previous prime is 1490971873. The next prime is 1490971897. The reversal of 1490971884 is 4881790941.

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, 874132 + ... + 875835.

It is an arithmetic number, because the mean of its divisors is an integer number (146997312).

Almost surely, 2^1490971884 is an apocalyptic number.

It is an amenable number.

1490971884 is an abundant number, since it is smaller than the sum of its proper divisors (2036963604).

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

1490971884 is a wasteful number, since it uses less digits than its factorization.

1490971884 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1750045 (or 1750043 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 51.

The square root of 1490971884 is about 38613.1050810473. The cubic root of 1490971884 is about 1142.4130389148.

The spelling of 1490971884 in words is "one billion, four hundred ninety million, nine hundred seventy-one thousand, eight hundred eighty-four".