3420842 has 8 divisors (see below), whose sum is σ = 5433156. Its totient is φ = 1609792.

The previous prime is 3420839. The next prime is 3420871. The reversal of 3420842 is 2480243.

It can be written as a sum of positive squares in 2 ways, for example, as 3243601 + 177241 = 1801^2 + 421^2 .

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

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, 50273 + ... + 50340.

Almost surely, 2^3420842 is an apocalyptic number.

3420842 is a deficient number, since it is larger than the sum of its proper divisors (2012314).

3420842 is a wasteful number, since it uses less digits than its factorization.

3420842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100632.

The product of its (nonzero) digits is 1536, while the sum is 23.

The square root of 3420842 is about 1849.5518376082. The cubic root of 3420842 is about 150.6760888548.

The spelling of 3420842 in words is "three million, four hundred twenty thousand, eight hundred forty-two".