1382432457 has 64 divisors (see below), whose sum is σ = 2339205120. Its totient is φ = 708009984.

The previous prime is 1382432453. The next prime is 1382432459. The reversal of 1382432457 is 7542342831.

It is not a de Polignac number, because 1382432457 - 2² = 1382432453 is a prime.

It is a super-2 number, since 2×1382432457² = 3822238996334113698, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1382432453) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 889393 + ... + 890945.

It is an arithmetic number, because the mean of its divisors is an integer number (36550080).

Almost surely, 2^1382432457 is an apocalyptic number.

It is an amenable number.

1382432457 is a deficient number, since it is larger than the sum of its proper divisors (956772663).

1382432457 is a wasteful number, since it uses less digits than its factorization.

1382432457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1702.

The product of its digits is 161280, while the sum is 39.

The square root of 1382432457 is about 37181.0765981837. The cubic root of 1382432457 is about 1113.9900382887.

The spelling of 1382432457 in words is "one billion, three hundred eighty-two million, four hundred thirty-two thousand, four hundred fifty-seven".