1492484890 has 16 divisors (see below), whose sum is σ = 2893124808. Its totient is φ = 551071296.

The previous prime is 1492484869. The next prime is 1492484897. The reversal of 1492484890 is 984842941.

It can be written as a sum of positive squares in 4 ways, for example, as 1144401241 + 348083649 = 33829^2 + 18657^2 .

It is a super-2 number, since 2×1492484890² = 4455022293756624200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1492484897) 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, 5740197 + ... + 5740456.

Almost surely, 2^1492484890 is an apocalyptic number.

1492484890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1492484890 is a deficient number, since it is larger than the sum of its proper divisors (1400639918).

1492484890 is a wasteful number, since it uses less digits than its factorization.

1492484890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11480673.

The product of its (nonzero) digits is 663552, while the sum is 49.

The square root of 1492484890 is about 38632.6919848980. The cubic root of 1492484890 is about 1142.7993402834.

The spelling of 1492484890 in words is "one billion, four hundred ninety-two million, four hundred eighty-four thousand, eight hundred ninety".