3390745 has 8 divisors (see below), whose sum is σ = 4085640. Its totient is φ = 2701440.

The previous prime is 3390743. The next prime is 3390763. The reversal of 3390745 is 5470933.

It can be written as a sum of positive squares in 4 ways, for example, as 335241 + 3055504 = 579^2 + 1748^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3390745 - 2¹ = 3390743 is a prime.

It is a super-2 number, since 2×3390745² = 22994303310050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3390743) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 85 + ... + 2605.

It is an arithmetic number, because the mean of its divisors is an integer number (510705).

Almost surely, 2^3390745 is an apocalyptic number.

It is an amenable number.

3390745 is a deficient number, since it is larger than the sum of its proper divisors (694895).

3390745 is a wasteful number, since it uses less digits than its factorization.

3390745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2795.

The product of its (nonzero) digits is 11340, while the sum is 31.

The square root of 3390745 is about 1841.3975670669. The cubic root of 3390745 is about 150.2328974639.

The spelling of 3390745 in words is "three million, three hundred ninety thousand, seven hundred forty-five".