1357846398 has 48 divisors (see below), whose sum is σ = 2969381376. Its totient is φ = 448422480.

The previous prime is 1357846367. The next prime is 1357846409. The reversal of 1357846398 is 8936487531.

1357846398 is a `hidden beast` number, since 1 + 3 + 578 + 4 + 63 + 9 + 8 = 666.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1369683 + ... + 1370673.

It is an arithmetic number, because the mean of its divisors is an integer number (61862112).

Almost surely, 2^1357846398 is an apocalyptic number.

1357846398 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

1357846398 is an abundant number, since it is smaller than the sum of its proper divisors (1611534978).

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

1357846398 is a wasteful number, since it uses less digits than its factorization.

1357846398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1629 (or 1626 counting only the distinct ones).

The product of its digits is 4354560, while the sum is 54.

The square root of 1357846398 is about 36848.9673939447. The cubic root of 1357846398 is about 1107.3465277265.

The spelling of 1357846398 in words is "one billion, three hundred fifty-seven million, eight hundred forty-six thousand, three hundred ninety-eight".