3969459 has 32 divisors (see below), whose sum is σ = 6504960. Its totient is φ = 2376864.

The previous prime is 3969451. The next prime is 3969467. The reversal of 3969459 is 9549693.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (3969451) and next prime (3969467).

It is not a de Polignac number, because 3969459 - 2³ = 3969451 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3969451) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14962 + ... + 15224.

It is an arithmetic number, because the mean of its divisors is an integer number (203280).

Almost surely, 2^3969459 is an apocalyptic number.

3969459 is a gapful number since it is divisible by the number (39) formed by its first and last digit.

3969459 is a deficient number, since it is larger than the sum of its proper divisors (2535501).

3969459 is a wasteful number, since it uses less digits than its factorization.

3969459 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 328 (or 322 counting only the distinct ones).

The product of its digits is 262440, while the sum is 45.

The square root of 3969459 is about 1992.3501198334. The cubic root of 3969459 is about 158.3350657859.

The spelling of 3969459 in words is "three million, nine hundred sixty-nine thousand, four hundred fifty-nine".