3420542 has 8 divisors (see below), whose sum is σ = 5196000. Its totient is φ = 1688544.

The previous prime is 3420533. The next prime is 3420563. The reversal of 3420542 is 2450243.

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

It is a d-powerful number, because it can be written as 3⁴ + 4⁸ + 2¹⁷ + 0 + 5⁷ + 4¹⁰ + 2²¹ .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10667 + ... + 10982.

It is an arithmetic number, because the mean of its divisors is an integer number (649500).

Almost surely, 2^3420542 is an apocalyptic number.

3420542 is a deficient number, since it is larger than the sum of its proper divisors (1775458).

3420542 is a wasteful number, since it uses less digits than its factorization.

3420542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21730.

The product of its (nonzero) digits is 960, while the sum is 20.

The square root of 3420542 is about 1849.4707351023. The cubic root of 3420542 is about 150.6716840769.

Adding to 3420542 its reverse (2450243), we get a palindrome (5870785).

Subtracting from 3420542 its reverse (2450243), we obtain a cube (970299 = 99³).

The spelling of 3420542 in words is "three million, four hundred twenty thousand, five hundred forty-two".