3278742 has 24 divisors (see below), whose sum is σ = 6861624. Its totient is φ = 1044384.

The previous prime is 3278741. The next prime is 3278753. The reversal of 3278742 is 2478723.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3278741) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2658 + ... + 3690.

It is an arithmetic number, because the mean of its divisors is an integer number (285901).

Almost surely, 2^3278742 is an apocalyptic number.

3278742 is an abundant number, since it is smaller than the sum of its proper divisors (3582882).

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

3278742 is a wasteful number, since it uses less digits than its factorization.

3278742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1084 (or 1061 counting only the distinct ones).

The product of its digits is 18816, while the sum is 33.

The square root of 3278742 is about 1810.7296871703. The cubic root of 3278742 is about 148.5601792166.

The spelling of 3278742 in words is "three million, two hundred seventy-eight thousand, seven hundred forty-two".