1290336916 has 24 divisors (see below), whose sum is σ = 2465959104. Its totient is φ = 585900480.

The previous prime is 1290336899. The next prime is 1290336923. The reversal of 1290336916 is 6196330921.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28336 + ... + 58168.

It is an arithmetic number, because the mean of its divisors is an integer number (102748296).

Almost surely, 2^1290336916 is an apocalyptic number.

It is an amenable number.

1290336916 is a deficient number, since it is larger than the sum of its proper divisors (1175622188).

1290336916 is a wasteful number, since it uses less digits than its factorization.

1290336916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30831 (or 30829 counting only the distinct ones).

The product of its (nonzero) digits is 52488, while the sum is 40.

The square root of 1290336916 is about 35921.2599444953. The cubic root of 1290336916 is about 1088.6819958641.

The spelling of 1290336916 in words is "one billion, two hundred ninety million, three hundred thirty-six thousand, nine hundred sixteen".