83457398 has 16 divisors (see below), whose sum is σ = 127286016. Its totient is φ = 41034600.

The previous prime is 83457397. The next prime is 83457401. The reversal of 83457398 is 89375438.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83457397) 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 7 ways as a sum of consecutive naturals, for example, 29765 + ... + 32447.

It is an arithmetic number, because the mean of its divisors is an integer number (7955376).

Almost surely, 2^83457398 is an apocalyptic number.

83457398 is a deficient number, since it is larger than the sum of its proper divisors (43828618).

83457398 is a wasteful number, since it uses less digits than its factorization.

83457398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2939.

The product of its digits is 725760, while the sum is 47.

The square root of 83457398 is about 9135.5020661155. The cubic root of 83457398 is about 437.0068858259.

The spelling of 83457398 in words is "eighty-three million, four hundred fifty-seven thousand, three hundred ninety-eight".