3337993 has 4 divisors (see below), whose sum is σ = 3401028. Its totient is φ = 3274960.

The previous prime is 3337991. The next prime is 3338003. The reversal of 3337993 is 3997333.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3997333 = 1409 ⋅2837.

It can be written as a sum of positive squares in 2 ways, for example, as 2393209 + 944784 = 1547^2 + 972^2 .

It is a cyclic number.

It is not a de Polignac number, because 3337993 - 2¹ = 3337991 is a prime.

It is a super-2 number, since 2×3337993² = 22284394536098, which contains 22 as substring.

It is a Duffinian number.

3337993 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (3337991) 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, 31438 + ... + 31543.

It is an arithmetic number, because the mean of its divisors is an integer number (850257).

Almost surely, 2^3337993 is an apocalyptic number.

It is an amenable number.

3337993 is a deficient number, since it is larger than the sum of its proper divisors (63035).

3337993 is an equidigital number, since it uses as much as digits as its factorization.

3337993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63034.

The product of its digits is 45927, while the sum is 37.

The square root of 3337993 is about 1827.0175149680. The cubic root of 3337993 is about 149.4497319840.

The spelling of 3337993 in words is "three million, three hundred thirty-seven thousand, nine hundred ninety-three".