1490879388 has 12 divisors (see below), whose sum is σ = 3478718600. Its totient is φ = 496959792.

The previous prime is 1490879387. The next prime is 1490879393. The reversal of 1490879388 is 8839780941.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1490879381) 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, 62119963 + ... + 62119986.

Almost surely, 2^1490879388 is an apocalyptic number.

It is an amenable number.

1490879388 is an abundant number, since it is smaller than the sum of its proper divisors (1987839212).

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

1490879388 is a wasteful number, since it uses less digits than its factorization.

1490879388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124239956 (or 124239954 counting only the distinct ones).

The product of its (nonzero) digits is 3483648, while the sum is 57.

The square root of 1490879388 is about 38611.9073343962. The cubic root of 1490879388 is about 1142.3894143196.

The spelling of 1490879388 in words is "one billion, four hundred ninety million, eight hundred seventy-nine thousand, three hundred eighty-eight".