2690469 has 16 divisors (see below), whose sum is σ = 4011840. Its totient is φ = 1782000.

The previous prime is 2690431. The next prime is 2690473. The reversal of 2690469 is 9640962.

It is not a de Polignac number, because 2690469 - 2⁹ = 2689957 is a prime.

It is a super-2 number, since 2×2690469² = 14477246879922, which contains 22 as substring.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2694469) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6579 + ... + 6975.

It is an arithmetic number, because the mean of its divisors is an integer number (250740).

2^2690469 is an apocalyptic number.

It is an amenable number.

2690469 is a deficient number, since it is larger than the sum of its proper divisors (1321371).

2690469 is a wasteful number, since it uses less digits than its factorization.

2690469 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 657 (or 651 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 36.

The square root of 2690469 is about 1640.2649176276. The cubic root of 2690469 is about 139.0836237490.

The spelling of 2690469 in words is "two million, six hundred ninety thousand, four hundred sixty-nine".