3402506 has 8 divisors (see below), whose sum is σ = 5118564. Its totient is φ = 1696320.

The previous prime is 3402473. The next prime is 3402517. The reversal of 3402506 is 6052043.

It can be written as a sum of positive squares in 2 ways, for example, as 3389281 + 13225 = 1841^2 + 115^2 .

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

It is a Curzon 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, 1535 + ... + 3026.

Almost surely, 2^3402506 is an apocalyptic number.

3402506 is a deficient number, since it is larger than the sum of its proper divisors (1716058).

3402506 is a wasteful number, since it uses less digits than its factorization.

3402506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4936.

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 3402506 is about 1844.5883009496. The cubic root of 3402506 is about 150.4063942600.

Adding to 3402506 its reverse (6052043), we get a palindrome (9454549).

The spelling of 3402506 in words is "three million, four hundred two thousand, five hundred six".