1398604492 has 24 divisors (see below), whose sum is σ = 2495934000. Its totient is φ = 685503936.

The previous prime is 1398604483. The next prime is 1398604511. The reversal of 1398604492 is 2944068931.

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, 326259 + ... + 330517.

It is an arithmetic number, because the mean of its divisors is an integer number (103997250).

Almost surely, 2^1398604492 is an apocalyptic number.

It is an amenable number.

1398604492 is a deficient number, since it is larger than the sum of its proper divisors (1097329508).

1398604492 is a wasteful number, since it uses less digits than its factorization.

1398604492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5865 (or 5863 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 46.

The square root of 1398604492 is about 37397.9209582565. The cubic root of 1398604492 is about 1118.3171186610.

The spelling of 1398604492 in words is "one billion, three hundred ninety-eight million, six hundred four thousand, four hundred ninety-two".