913869 has 32 divisors (see below), whose sum is σ = 1572480. Its totient is φ = 518400.

The previous prime is 913853. The next prime is 913873. The reversal of 913869 is 968319.

It is not a de Polignac number, because 913869 - 2⁴ = 913853 is a prime.

It is a super-2 number, since 2×913869² = 1670313098322, which contains 22 as substring.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 913869.

It is not an unprimeable number, because it can be changed into a prime (913889) 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 31 ways as a sum of consecutive naturals, for example, 4959 + ... + 5139.

It is an arithmetic number, because the mean of its divisors is an integer number (49140).

2⁹¹³⁸⁶⁹ is an apocalyptic number.

913869 is a gapful number since it is divisible by the number (99) formed by its first and last digit.

It is an amenable number.

913869 is a deficient number, since it is larger than the sum of its proper divisors (658611).

913869 is a wasteful number, since it uses less digits than its factorization.

913869 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 218 (or 212 counting only the distinct ones).

The product of its digits is 11664, while the sum is 36.

The square root of 913869 is about 955.9649575167. The cubic root of 913869 is about 97.0423522851.

It can be divided in two parts, 913 and 869, that multiplied together give a palindrome (793397).

The spelling of 913869 in words is "nine hundred thirteen thousand, eight hundred sixty-nine".