1490736918 has 16 divisors (see below), whose sum is σ = 3252517056. Its totient is φ = 451738440.

The previous prime is 1490736911. The next prime is 1490736983. The reversal of 1490736918 is 8196370941.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1490736911) 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 7 ways as a sum of consecutive naturals, for example, 11293396 + ... + 11293527.

It is an arithmetic number, because the mean of its divisors is an integer number (203282316).

Almost surely, 2^1490736918 is an apocalyptic number.

1490736918 is an abundant number, since it is smaller than the sum of its proper divisors (1761780138).

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

1490736918 is a wasteful number, since it uses less digits than its factorization.

1490736918 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22586939.

The product of its (nonzero) digits is 326592, while the sum is 48.

The square root of 1490736918 is about 38610.0623931120. The cubic root of 1490736918 is about 1142.3530238497.

The spelling of 1490736918 in words is "one billion, four hundred ninety million, seven hundred thirty-six thousand, nine hundred eighteen".