783901 has 4 divisors (see below), whose sum is σ = 789052. Its totient is φ = 778752.

The previous prime is 783877. The next prime is 783931. The reversal of 783901 is 109387.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 251001 + 532900 = 501^2 + 730^2 .

It is a 5-Lehmer number, since φ(783901) divides (783901-1)⁵.

It is a cyclic number.

It is not a de Polignac number, because 783901 - 2⁵ = 783869 is a prime.

It is a super-2 number, since 2×783901² = 1229001555602, which contains 22 as substring.

It is a Duffinian number.

783901 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 783901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (783931) 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 3 ways as a sum of consecutive naturals, for example, 2340 + ... + 2653.

It is an arithmetic number, because the mean of its divisors is an integer number (197263).

2⁷⁸³⁹⁰¹ is an apocalyptic number.

It is an amenable number.

783901 is a deficient number, since it is larger than the sum of its proper divisors (5151).

783901 is a wasteful number, since it uses less digits than its factorization.

783901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5150.

The product of its (nonzero) digits is 1512, while the sum is 28.

The square root of 783901 is about 885.3818385307. The cubic root of 783901 is about 92.2048444432.

The spelling of 783901 in words is "seven hundred eighty-three thousand, nine hundred one".