1390046798 has 12 divisors (see below), whose sum is σ = 2425489992. Its totient is φ = 595734300.

The previous prime is 1390046797. The next prime is 1390046809. The reversal of 1390046798 is 8976400931.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1390046797) 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 5 ways as a sum of consecutive naturals, for example, 7091978 + ... + 7092173.

It is an arithmetic number, because the mean of its divisors is an integer number (202124166).

Almost surely, 2^1390046798 is an apocalyptic number.

1390046798 is a deficient number, since it is larger than the sum of its proper divisors (1035443194).

1390046798 is a wasteful number, since it uses less digits than its factorization.

1390046798 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14184167 (or 14184160 counting only the distinct ones).

The product of its (nonzero) digits is 326592, while the sum is 47.

The square root of 1390046798 is about 37283.3313693935. The cubic root of 1390046798 is about 1116.0315543508.

The spelling of 1390046798 in words is "one billion, three hundred ninety million, forty-six thousand, seven hundred ninety-eight".