1397800298 has 16 divisors (see below), whose sum is σ = 2189612736. Its totient is φ = 667978080.

The previous prime is 1397800291. The next prime is 1397800337. The reversal of 1397800298 is 8920087931.

It is not an unprimeable number, because it can be changed into a prime (1397800291) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49265 + ... + 72267.

It is an arithmetic number, because the mean of its divisors is an integer number (136850796).

Almost surely, 2^1397800298 is an apocalyptic number.

1397800298 is a deficient number, since it is larger than the sum of its proper divisors (791812438).

1397800298 is a wasteful number, since it uses less digits than its factorization.

1397800298 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24349.

The product of its (nonzero) digits is 217728, while the sum is 47.

The square root of 1397800298 is about 37387.1675578667. The cubic root of 1397800298 is about 1118.1027344061.

The spelling of 1397800298 in words is "one billion, three hundred ninety-seven million, eight hundred thousand, two hundred ninety-eight".