1497949986 has 16 divisors (see below), whose sum is σ = 3226353984. Its totient is φ = 460907664.

The previous prime is 1497949967. The next prime is 1497949993. The reversal of 1497949986 is 6899497941.

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, 9602166 + ... + 9602321.

It is an arithmetic number, because the mean of its divisors is an integer number (201647124).

Almost surely, 2^1497949986 is an apocalyptic number.

1497949986 is an abundant number, since it is smaller than the sum of its proper divisors (1728403998).

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

1497949986 is a wasteful number, since it uses less digits than its factorization.

1497949986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19204505.

The product of its digits is 35271936, while the sum is 66.

The square root of 1497949986 is about 38703.3588464877. The cubic root of 1497949986 is about 1144.1925203120.

The spelling of 1497949986 in words is "one billion, four hundred ninety-seven million, nine hundred forty-nine thousand, nine hundred eighty-six".