3439919 has 4 divisors (see below), whose sum is σ = 3931344. Its totient is φ = 2948496.

The previous prime is 3439913. The next prime is 3439921. The reversal of 3439919 is 9199343.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9199343 = 31 ⋅296753.

It is a cyclic number.

It is not a de Polignac number, because 3439919 - 2⁸ = 3439663 is a prime.

It is a super-2 number, since 2×3439919² = 23666085453122, 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 (3439913) 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, 245702 + ... + 245715.

It is an arithmetic number, because the mean of its divisors is an integer number (982836).

Almost surely, 2^3439919 is an apocalyptic number.

3439919 is a deficient number, since it is larger than the sum of its proper divisors (491425).

3439919 is an equidigital number, since it uses as much as digits as its factorization.

3439919 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 491424.

The product of its digits is 26244, while the sum is 38.

The square root of 3439919 is about 1854.7018628340. The cubic root of 3439919 is about 150.9556614407.

The spelling of 3439919 in words is "three million, four hundred thirty-nine thousand, nine hundred nineteen".