103897539 has 8 divisors (see below), whose sum is σ = 153922320. Its totient is φ = 69265008.

The previous prime is 103897501. The next prime is 103897571. The reversal of 103897539 is 935798301.

It is a happy number.

103897539 is a `hidden beast` number, since 103 + 8 + 9 + 7 + 539 = 666.

It is not a de Polignac number, because 103897539 - 2⁷ = 103897411 is a prime.

It is a super-2 number, since 2×103897539² = 21589397220513042, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 103897494 and 103897503.

It is not an unprimeable number, because it can be changed into a prime (103897139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1924002 + ... + 1924055.

It is an arithmetic number, because the mean of its divisors is an integer number (19240290).

Almost surely, 2^103897539 is an apocalyptic number.

103897539 is a deficient number, since it is larger than the sum of its proper divisors (50024781).

103897539 is an equidigital number, since it uses as much as digits as its factorization.

103897539 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3848066 (or 3848060 counting only the distinct ones).

The product of its (nonzero) digits is 204120, while the sum is 45.

The square root of 103897539 is about 10193.0142254389. The cubic root of 103897539 is about 470.1124508358.

The spelling of 103897539 in words is "one hundred three million, eight hundred ninety-seven thousand, five hundred thirty-nine".