3420142 has 8 divisors (see below), whose sum is σ = 5596632. Its totient is φ = 1554600.

The previous prime is 3420139. The next prime is 3420161. The reversal of 3420142 is 2410243.

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

It is an Ulam number.

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, 77709 + ... + 77752.

It is an arithmetic number, because the mean of its divisors is an integer number (699579).

Almost surely, 2^3420142 is an apocalyptic number.

3420142 is a deficient number, since it is larger than the sum of its proper divisors (2176490).

3420142 is a wasteful number, since it uses less digits than its factorization.

3420142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155474.

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 3420142 is about 1849.3625928952. The cubic root of 3420142 is about 150.6658106390.

Adding to 3420142 its reverse (2410243), we get a palindrome (5830385).

It can be divided in two parts, 34201 and 42, that added together give a palindrome (34243).

The spelling of 3420142 in words is "three million, four hundred twenty thousand, one hundred forty-two".