3494421 has 20 divisors (see below), whose sum is σ = 5966752. Its totient is φ = 1996488.

The previous prime is 3494417. The next prime is 3494441. The reversal of 3494421 is 1244943.

It is not a de Polignac number, because 3494421 - 2² = 3494417 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3494441) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 2515 + ... + 3648.

Almost surely, 2^3494421 is an apocalyptic number.

It is an amenable number.

3494421 is a deficient number, since it is larger than the sum of its proper divisors (2472331).

3494421 is an equidigital number, since it uses as much as digits as its factorization.

3494421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6182 (or 6173 counting only the distinct ones).

The product of its digits is 3456, while the sum is 27.

The square root of 3494421 is about 1869.3370482607. The cubic root of 3494421 is about 151.7487336450.

The spelling of 3494421 in words is "three million, four hundred ninety-four thousand, four hundred twenty-one".