3240426 has 16 divisors (see below), whose sum is σ = 7406784. Its totient is φ = 925824.

The previous prime is 3240409. The next prime is 3240449. The reversal of 3240426 is 6240423.

It is a super-2 number, since 2×3240426² = 21000721322952, which contains 22 as substring.

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

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38535 + ... + 38618.

It is an arithmetic number, because the mean of its divisors is an integer number (462924).

Almost surely, 2^3240426 is an apocalyptic number.

3240426 is an abundant number, since it is smaller than the sum of its proper divisors (4166358).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3240426 is a wasteful number, since it uses less digits than its factorization.

3240426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77165.

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 3240426 is about 1800.1183294439. The cubic root of 3240426 is about 147.9792094000.

Adding to 3240426 its reverse (6240423), we get a palindrome (9480849).

The spelling of 3240426 in words is "three million, two hundred forty thousand, four hundred twenty-six".