1492865836 has 48 divisors (see below), whose sum is σ = 3263484672. Its totient is φ = 580507200.

The previous prime is 1492865833. The next prime is 1492865837. The reversal of 1492865836 is 6385682941.

It is a Smith number, since the sum of its digits (52) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (1492865831) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 164046 + ... + 172906.

It is an arithmetic number, because the mean of its divisors is an integer number (67989264).

Almost surely, 2^1492865836 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1492865836, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1631742336).

1492865836 is an abundant number, since it is smaller than the sum of its proper divisors (1770618836).

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

1492865836 is a wasteful number, since it uses less digits than its factorization.

1492865836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9430 (or 9428 counting only the distinct ones).

The product of its digits is 2488320, while the sum is 52.

The square root of 1492865836 is about 38637.6220282771. The cubic root of 1492865836 is about 1142.8965624409.

The spelling of 1492865836 in words is "one billion, four hundred ninety-two million, eight hundred sixty-five thousand, eight hundred thirty-six".