3899469 has 24 divisors (see below), whose sum is σ = 6205248. Its totient is φ = 2170560.

The previous prime is 3899453. The next prime is 3899471. The reversal of 3899469 is 9649983.

It is a happy number.

It is not a de Polignac number, because 3899469 - 2⁴ = 3899453 is a prime.

It is a super-2 number, since 2×3899469² = 30411716963922, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3899429) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5704 + ... + 6350.

It is an arithmetic number, because the mean of its divisors is an integer number (258552).

Almost surely, 2^3899469 is an apocalyptic number.

It is an amenable number.

3899469 is a deficient number, since it is larger than the sum of its proper divisors (2305779).

3899469 is a wasteful number, since it uses less digits than its factorization.

3899469 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 705 (or 698 counting only the distinct ones).

The product of its digits is 419904, while the sum is 48.

The square root of 3899469 is about 1974.7073200857. The cubic root of 3899469 is about 157.3989475240.

The spelling of 3899469 in words is "three million, eight hundred ninety-nine thousand, four hundred sixty-nine".