1490493812 has 12 divisors (see below), whose sum is σ = 2609836320. Its totient is φ = 744826296.

The previous prime is 1490493811. The next prime is 1490493847. The reversal of 1490493812 is 2183940941.

It is a super-2 number, since 2×1490493812² = 4443143607220582688, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1490493812.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1490493811) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 97112 + ... + 111407.

It is an arithmetic number, because the mean of its divisors is an integer number (217486360).

Almost surely, 2^1490493812 is an apocalyptic number.

It is an amenable number.

1490493812 is a deficient number, since it is larger than the sum of its proper divisors (1119342508).

1490493812 is a wasteful number, since it uses less digits than its factorization.

1490493812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210310 (or 210308 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 41.

The square root of 1490493812 is about 38606.9140439896. The cubic root of 1490493812 is about 1142.2909230260.

The spelling of 1490493812 in words is "one billion, four hundred ninety million, four hundred ninety-three thousand, eight hundred twelve".