1492978914 has 24 divisors (see below), whose sum is σ = 3696900480. Its totient is φ = 426565368.

The previous prime is 1492978909. The next prime is 1492978933. The reversal of 1492978914 is 4198792941.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5924394 + ... + 5924645.

It is an arithmetic number, because the mean of its divisors is an integer number (154037520).

Almost surely, 2^1492978914 is an apocalyptic number.

1492978914 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1492978914 is an abundant number, since it is smaller than the sum of its proper divisors (2203921566).

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

1492978914 is a wasteful number, since it uses less digits than its factorization.

1492978914 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11849054 (or 11849051 counting only the distinct ones).

The product of its digits is 1306368, while the sum is 54.

The square root of 1492978914 is about 38639.0853152608. The cubic root of 1492978914 is about 1142.9254181696.

The spelling of 1492978914 in words is "one billion, four hundred ninety-two million, nine hundred seventy-eight thousand, nine hundred fourteen".