1457889398 has 32 divisors (see below), whose sum is σ = 2585157120. Its totient is φ = 603627840.

The previous prime is 1457889379. The next prime is 1457889401. The reversal of 1457889398 is 8939887541.

It is a self number, because there is not a number n which added to its sum of digits gives 1457889398.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46793 + ... + 71451.

It is an arithmetic number, because the mean of its divisors is an integer number (80786160).

Almost surely, 2^1457889398 is an apocalyptic number.

1457889398 is a deficient number, since it is larger than the sum of its proper divisors (1127267722).

1457889398 is a wasteful number, since it uses less digits than its factorization.

1457889398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24812.

The product of its digits is 17418240, while the sum is 62.

The square root of 1457889398 is about 38182.3178709727. The cubic root of 1457889398 is about 1133.9002713845.

The spelling of 1457889398 in words is "one billion, four hundred fifty-seven million, eight hundred eighty-nine thousand, three hundred ninety-eight".