3445690 has 12 divisors (see below), whose sum is σ = 6212826. Its totient is φ = 1375928.

The previous prime is 3445667. The next prime is 3445691. The reversal of 3445690 is 965443.

It can be written as a sum of positive squares in only one way, i.e., 3101121 + 344569 = 1761^2 + 587^2 .

It is a super-2 number, since 2×3445690² = 23745559152200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3445691) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5577 + ... + 6163.

Almost surely, 2^3445690 is an apocalyptic number.

3445690 is a deficient number, since it is larger than the sum of its proper divisors (2767136).

3445690 is an frugal number, since it uses more digits than its factorization.

3445690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1181 (or 594 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 31.

The square root of 3445690 is about 1856.2569865188. The cubic root of 3445690 is about 151.0400314898.

Multiplying 3445690 by its product of nonzero digits (12960), we get a square (44656142400 = 211320²).

The spelling of 3445690 in words is "three million, four hundred forty-five thousand, six hundred ninety".