769961 has 2 divisors, whose sum is σ = 769962. Its totient is φ = 769960.

The previous prime is 769943. The next prime is 769963. The reversal of 769961 is 169967.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 609961 + 160000 = 781^2 + 400^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-769961 is a prime.

Together with 769963, it forms a pair of twin primes.

It is a Chen prime.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 769961.

It is not a weakly prime, because it can be changed into another prime (769963) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 384980 + 384981.

It is an arithmetic number, because the mean of its divisors is an integer number (384981).

2⁷⁶⁹⁹⁶¹ is an apocalyptic number.

It is an amenable number.

769961 is a deficient number, since it is larger than the sum of its proper divisors (1).

769961 is an equidigital number, since it uses as much as digits as its factorization.

769961 is an evil number, because the sum of its binary digits is even.

The product of its digits is 20412, while the sum is 38.

The square root of 769961 is about 877.4742161454. The cubic root of 769961 is about 91.6550170687.

The spelling of 769961 in words is "seven hundred sixty-nine thousand, nine hundred sixty-one".