3405250 has 32 divisors (see below), whose sum is σ = 6520176. Its totient is φ = 1331200.

The previous prime is 3405247. The next prime is 3405263. The reversal of 3405250 is 525043.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 1164241 + 2241009 = 1079^2 + 1497^2 .

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 13122 + ... + 13378.

Almost surely, 2^3405250 is an apocalyptic number.

3405250 is a deficient number, since it is larger than the sum of its proper divisors (3114926).

3405250 is a wasteful number, since it uses less digits than its factorization.

3405250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 327 (or 317 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 19.

The square root of 3405250 is about 1845.3319484581. The cubic root of 3405250 is about 150.4468158638.

It can be divided in two parts, 3405 and 250, that added together give a triangular number (3655 = T₈₅).

The spelling of 3405250 in words is "three million, four hundred five thousand, two hundred fifty".