3240146 has 32 divisors (see below), whose sum is σ = 6303360. Its totient is φ = 1213056.

The previous prime is 3240143. The next prime is 3240161. The reversal of 3240146 is 6410423.

It is a happy number.

It is a super-2 number, since 2×3240146² = 20997092202632, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3240143) 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, 2990 + ... + 3926.

It is an arithmetic number, because the mean of its divisors is an integer number (196980).

Almost surely, 2^3240146 is an apocalyptic number.

3240146 is a deficient number, since it is larger than the sum of its proper divisors (3063214).

3240146 is a wasteful number, since it uses less digits than its factorization.

3240146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 978.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 3240146 is about 1800.0405550987. The cubic root of 3240146 is about 147.9749470620.

Adding to 3240146 its reverse (6410423), we get a palindrome (9650569).

The spelling of 3240146 in words is "three million, two hundred forty thousand, one hundred forty-six".