3490445 has 16 divisors (see below), whose sum is σ = 4942848. Its totient is φ = 2315520.

The previous prime is 3490441. The next prime is 3490451. The reversal of 3490445 is 5440943.

It is not a de Polignac number, because 3490445 - 2² = 3490441 is a prime.

It is a Smith number, since the sum of its digits (29) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3490441) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 524 + ... + 2693.

It is an arithmetic number, because the mean of its divisors is an integer number (308928).

Almost surely, 2^3490445 is an apocalyptic number.

3490445 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

3490445 is a deficient number, since it is larger than the sum of its proper divisors (1452403).

3490445 is a wasteful number, since it uses less digits than its factorization.

3490445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3260.

The product of its (nonzero) digits is 8640, while the sum is 29.

The square root of 3490445 is about 1868.2732669500. The cubic root of 3490445 is about 151.6911578746.

The spelling of 3490445 in words is "three million, four hundred ninety thousand, four hundred forty-five".