3445490 has 24 divisors (see below), whose sum is σ = 6475140. Its totient is φ = 1318464.

The previous prime is 3445487. The next prime is 3445493. The reversal of 3445490 is 945443.

3445490 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (3445487) and next prime (3445493).

It can be written as a sum of positive squares in 6 ways, for example, as 2211169 + 1234321 = 1487^2 + 1111^2 .

It is a Harshad number since it is a multiple of its sum of digits (29).

It is not an unprimeable number, because it can be changed into a prime (3445493) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 31556 + ... + 31664.

Almost surely, 2^3445490 is an apocalyptic number.

3445490 is a deficient number, since it is larger than the sum of its proper divisors (3029650).

3445490 is a wasteful number, since it uses less digits than its factorization.

3445490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 254 (or 145 counting only the distinct ones).

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

The square root of 3445490 is about 1856.2031138860. The cubic root of 3445490 is about 151.0371091345.

The spelling of 3445490 in words is "three million, four hundred forty-five thousand, four hundred ninety".