7900469 has 4 divisors (see below), whose sum is σ = 7944300. Its totient is φ = 7856640.

The previous prime is 7900457. The next prime is 7900481. The reversal of 7900469 is 9640097.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9640097 = 2741 ⋅3517.

It is an interprime number because it is at equal distance from previous prime (7900457) and next prime (7900481).

It can be written as a sum of positive squares in 2 ways, for example, as 1464100 + 6436369 = 1210^2 + 2537^2 .

It is a cyclic number.

It is not a de Polignac number, because 7900469 - 2⁸ = 7900213 is a prime.

It is a super-2 number, since 2×7900469² = 124834820839922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7900369) 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, 21644 + ... + 22005.

It is an arithmetic number, because the mean of its divisors is an integer number (1986075).

Almost surely, 2^7900469 is an apocalyptic number.

It is an amenable number.

7900469 is a deficient number, since it is larger than the sum of its proper divisors (43831).

7900469 is a wasteful number, since it uses less digits than its factorization.

7900469 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43830.

The product of its (nonzero) digits is 13608, while the sum is 35.

The square root of 7900469 is about 2810.7772946287. Note that the first 3 decimals coincide. The cubic root of 7900469 is about 199.1671112969.

The spelling of 7900469 in words is "seven million, nine hundred thousand, four hundred sixty-nine".