783397 has 4 divisors (see below), whose sum is σ = 788256. Its totient is φ = 778540.

The previous prime is 783379. The next prime is 783407. The reversal of 783397 is 793387.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 793387 = 7 ⋅113341.

It is a cyclic number.

It is not a de Polignac number, because 783397 - 2⁷ = 783269 is a prime.

It is a super-2 number, since 2×783397² = 1227421719218, which contains 22 as substring.

It is a Duffinian number.

783397 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (783317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2179 + ... + 2512.

It is an arithmetic number, because the mean of its divisors is an integer number (197064).

2⁷⁸³³⁹⁷ is an apocalyptic number.

It is an amenable number.

783397 is a deficient number, since it is larger than the sum of its proper divisors (4859).

783397 is a wasteful number, since it uses less digits than its factorization.

783397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4858.

The product of its digits is 31752, while the sum is 37.

The square root of 783397 is about 885.0971698068. The cubic root of 783397 is about 92.1850795304.

The spelling of 783397 in words is "seven hundred eighty-three thousand, three hundred ninety-seven".