3442215 has 16 divisors (see below), whose sum is σ = 6294528. Its totient is φ = 1573536.

The previous prime is 3442189. The next prime is 3442217. The reversal of 3442215 is 5122443.

It is not a de Polignac number, because 3442215 - 2⁵ = 3442183 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 3442191 and 3442200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3442217) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16287 + ... + 16496.

It is an arithmetic number, because the mean of its divisors is an integer number (393408).

Almost surely, 2^3442215 is an apocalyptic number.

3442215 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

3442215 is a deficient number, since it is larger than the sum of its proper divisors (2852313).

3442215 is a wasteful number, since it uses less digits than its factorization.

3442215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32798.

The product of its digits is 960, while the sum is 21.

The square root of 3442215 is about 1855.3207269903. The cubic root of 3442215 is about 150.9892394712.

Adding to 3442215 its reverse (5122443), we get a palindrome (8564658).

The spelling of 3442215 in words is "three million, four hundred forty-two thousand, two hundred fifteen".