1398157416 has 32 divisors (see below), whose sum is σ = 3883771200. Its totient is φ = 466052400.

The previous prime is 1398157391. The next prime is 1398157421. The reversal of 1398157416 is 6147518931.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3236260 + ... + 3236691.

It is an arithmetic number, because the mean of its divisors is an integer number (121367850).

Almost surely, 2^1398157416 is an apocalyptic number.

It is an amenable number.

1398157416 is an abundant number, since it is smaller than the sum of its proper divisors (2485613784).

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

1398157416 is a wasteful number, since it uses less digits than its factorization.

1398157416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6472966 (or 6472956 counting only the distinct ones).

The product of its digits is 181440, while the sum is 45.

The square root of 1398157416 is about 37391.9431963625. The cubic root of 1398157416 is about 1118.1979460548.

The spelling of 1398157416 in words is "one billion, three hundred ninety-eight million, one hundred fifty-seven thousand, four hundred sixteen".