3407993 has 4 divisors (see below), whose sum is σ = 3525540. Its totient is φ = 3290448.

The previous prime is 3407983. The next prime is 3408001. The reversal of 3407993 is 3997043.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1106704 + 2301289 = 1052^2 + 1517^2 .

It is a cyclic number.

It is not a de Polignac number, because 3407993 - 2⁴ = 3407977 is a prime.

It is a super-2 number, since 2×3407993² = 23228832576098, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3407983) 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, 58730 + ... + 58787.

It is an arithmetic number, because the mean of its divisors is an integer number (881385).

Almost surely, 2^3407993 is an apocalyptic number.

It is an amenable number.

3407993 is a deficient number, since it is larger than the sum of its proper divisors (117547).

3407993 is a wasteful number, since it uses less digits than its factorization.

3407993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117546.

The product of its (nonzero) digits is 20412, while the sum is 35.

The square root of 3407993 is about 1846.0750255610. The cubic root of 3407993 is about 150.4872010396.

The spelling of 3407993 in words is "three million, four hundred seven thousand, nine hundred ninety-three".