769213 has 4 divisors (see below), whose sum is σ = 776380. Its totient is φ = 762048.

The previous prime is 769207. The next prime is 769231. The reversal of 769213 is 312967.

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 700569 + 68644 = 837^2 + 262^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-769213 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (769243) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3420 + ... + 3637.

It is an arithmetic number, because the mean of its divisors is an integer number (194095).

2⁷⁶⁹²¹³ is an apocalyptic number.

It is an amenable number.

769213 is a deficient number, since it is larger than the sum of its proper divisors (7167).

769213 is a wasteful number, since it uses less digits than its factorization.

769213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7166.

The product of its digits is 2268, while the sum is 28.

The square root of 769213 is about 877.0478892284. The cubic root of 769213 is about 91.6253271815.

The spelling of 769213 in words is "seven hundred sixty-nine thousand, two hundred thirteen".