769491 has 12 divisors (see below), whose sum is σ = 1119768. Its totient is φ = 509184.

The previous prime is 769487. The next prime is 769541. The reversal of 769491 is 194967.

It is not a de Polignac number, because 769491 - 2² = 769487 is a prime.

It is not an unprimeable number, because it can be changed into a prime (769411) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1516 + ... + 1958.

It is an arithmetic number, because the mean of its divisors is an integer number (93314).

2⁷⁶⁹⁴⁹¹ is an apocalyptic number.

769491 is a deficient number, since it is larger than the sum of its proper divisors (350277).

769491 is a wasteful number, since it uses less digits than its factorization.

769491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 642 (or 639 counting only the distinct ones).

The product of its digits is 13608, while the sum is 36.

The square root of 769491 is about 877.2063611260. The cubic root of 769491 is about 91.6363639048.

The spelling of 769491 in words is "seven hundred sixty-nine thousand, four hundred ninety-one".