783479 has 6 divisors (see below), whose sum is σ = 832584. Its totient is φ = 737120.

The previous prime is 783473. The next prime is 783487. The reversal of 783479 is 974387.

It is a de Polignac number, because none of the positive numbers 2^k-783479 is a prime.

It is a super-2 number, since 2×783479² = 1227678686882, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (783473) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1067 + ... + 1644.

It is an arithmetic number, because the mean of its divisors is an integer number (138764).

2⁷⁸³⁴⁷⁹ is an apocalyptic number.

783479 is a deficient number, since it is larger than the sum of its proper divisors (49105).

783479 is a wasteful number, since it uses less digits than its factorization.

783479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2745 (or 2728 counting only the distinct ones).

The product of its digits is 42336, while the sum is 38.

The square root of 783479 is about 885.1434911922. The cubic root of 783479 is about 92.1882958277.

The spelling of 783479 in words is "seven hundred eighty-three thousand, four hundred seventy-nine".