769421 has 2 divisors, whose sum is σ = 769422. Its totient is φ = 769420.

The previous prime is 769411. The next prime is 769423. The reversal of 769421 is 124967.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 422500 + 346921 = 650^2 + 589^2 .

It is a cyclic number.

It is not a de Polignac number, because 769421 - 2⁶ = 769357 is a prime.

Together with 769423, it forms a pair of twin primes.

It is a Chen prime.

It is a pancake number, because a pancake can be divided into 769421 parts by 1240 straight cuts.

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 769421.

It is not a weakly prime, because it can be changed into another prime (769423) 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 as a sum of consecutive naturals, namely, 384710 + 384711.

It is an arithmetic number, because the mean of its divisors is an integer number (384711).

2⁷⁶⁹⁴²¹ is an apocalyptic number.

It is an amenable number.

769421 is a deficient number, since it is larger than the sum of its proper divisors (1).

769421 is an equidigital number, since it uses as much as digits as its factorization.

769421 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3024, while the sum is 29.

The square root of 769421 is about 877.1664608271. The cubic root of 769421 is about 91.6335851242.

The spelling of 769421 in words is "seven hundred sixty-nine thousand, four hundred twenty-one".