1493800836 has 24 divisors (see below), whose sum is σ = 3802402464. Its totient is φ = 452666880.

The previous prime is 1493800811. The next prime is 1493800853. The reversal of 1493800836 is 6380083941.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5658205 + ... + 5658468.

It is an arithmetic number, because the mean of its divisors is an integer number (158433436).

Almost surely, 2^1493800836 is an apocalyptic number.

It is an amenable number.

1493800836 is an abundant number, since it is smaller than the sum of its proper divisors (2308601628).

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

1493800836 is a wasteful number, since it uses less digits than its factorization.

1493800836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11316691 (or 11316689 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 42.

The square root of 1493800836 is about 38649.7197402517. The cubic root of 1493800836 is about 1143.1351159764.

The spelling of 1493800836 in words is "one billion, four hundred ninety-three million, eight hundred thousand, eight hundred thirty-six".