3420494 has 48 divisors (see below), whose sum is σ = 6894720. Its totient is φ = 1254960.

The previous prime is 3420493. The next prime is 3420497. The reversal of 3420494 is 4940243.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3420493) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20399 + ... + 20565.

It is an arithmetic number, because the mean of its divisors is an integer number (143640).

Almost surely, 2^3420494 is an apocalyptic number.

3420494 is an abundant number, since it is smaller than the sum of its proper divisors (3474226).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3420494 is a wasteful number, since it uses less digits than its factorization.

3420494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213 (or 206 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 26.

The square root of 3420494 is about 1849.4577583714. The cubic root of 3420494 is about 150.6709792885.

The spelling of 3420494 in words is "three million, four hundred twenty thousand, four hundred ninety-four".