3373991 has 4 divisors (see below), whose sum is σ = 3421584. Its totient is φ = 3326400.

The previous prime is 3373969. The next prime is 3374017. The reversal of 3373991 is 1993733.

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: 1993733 = 7 ⋅284819.

It is a cyclic number.

It is not a de Polignac number, because 3373991 - 2¹⁸ = 3111847 is a prime.

It is a super-2 number, since 2×3373991² = 22767630536162, 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 (3373921) 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, 23690 + ... + 23831.

It is an arithmetic number, because the mean of its divisors is an integer number (855396).

Almost surely, 2^3373991 is an apocalyptic number.

3373991 is a deficient number, since it is larger than the sum of its proper divisors (47593).

3373991 is an equidigital number, since it uses as much as digits as its factorization.

3373991 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47592.

The product of its digits is 15309, while the sum is 35.

The square root of 3373991 is about 1836.8426715427. The cubic root of 3373991 is about 149.9850503620.

The spelling of 3373991 in words is "three million, three hundred seventy-three thousand, nine hundred ninety-one".