1385600997 has 64 divisors (see below), whose sum is σ = 2217093120. Its totient is φ = 760166400.

The previous prime is 1385600941. The next prime is 1385601013. The reversal of 1385600997 is 7990065831.

It is not a de Polignac number, because 1385600997 - 2¹⁵ = 1385568229 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1385600917) 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 63 ways as a sum of consecutive naturals, for example, 1712329 + ... + 1713137.

It is an arithmetic number, because the mean of its divisors is an integer number (34642080).

Almost surely, 2^1385600997 is an apocalyptic number.

1385600997 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

1385600997 is a deficient number, since it is larger than the sum of its proper divisors (831492123).

1385600997 is a wasteful number, since it uses less digits than its factorization.

1385600997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 954.

The product of its (nonzero) digits is 408240, while the sum is 48.

The square root of 1385600997 is about 37223.6617892437. The cubic root of 1385600997 is about 1114.8404785628.

The spelling of 1385600997 in words is "one billion, three hundred eighty-five million, six hundred thousand, nine hundred ninety-seven".