3495421 has 8 divisors (see below), whose sum is σ = 3732480. Its totient is φ = 3261888.

The previous prime is 3495413. The next prime is 3495439. The reversal of 3495421 is 1245943.

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

It is a cyclic number.

It is not a de Polignac number, because 3495421 - 2³ = 3495413 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3495421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3495451) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1350 + ... + 2968.

It is an arithmetic number, because the mean of its divisors is an integer number (466560).

Almost surely, 2^3495421 is an apocalyptic number.

It is an amenable number.

3495421 is a deficient number, since it is larger than the sum of its proper divisors (237059).

3495421 is a wasteful number, since it uses less digits than its factorization.

3495421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1763.

The product of its digits is 4320, while the sum is 28.

The square root of 3495421 is about 1869.6045036317. The cubic root of 3495421 is about 151.7632075985.

It can be divided in two parts, 3495 and 421, that added together give a triangular number (3916 = T₈₈).

The spelling of 3495421 in words is "three million, four hundred ninety-five thousand, four hundred twenty-one".