1490807986 has 16 divisors (see below), whose sum is σ = 2268000000. Its totient is φ = 734846608.

The previous prime is 1490807957. The next prime is 1490807987. The reversal of 1490807986 is 6897080941.

It is a happy number.

It is a super-2 number, since 2×1490807986² = 4445016902242752392, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1490807987) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70140 + ... + 88888.

It is an arithmetic number, because the mean of its divisors is an integer number (141750000).

Almost surely, 2^1490807986 is an apocalyptic number.

1490807986 is a deficient number, since it is larger than the sum of its proper divisors (777192014).

1490807986 is a wasteful number, since it uses less digits than its factorization.

1490807986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19313.

The product of its (nonzero) digits is 870912, while the sum is 52.

The square root of 1490807986 is about 38610.9827121766. The cubic root of 1490807986 is about 1142.3711767184.

The spelling of 1490807986 in words is "one billion, four hundred ninety million, eight hundred seven thousand, nine hundred eighty-six".