3402278 has 24 divisors (see below), whose sum is σ = 5946696. Its totient is φ = 1453760.

The previous prime is 3402277. The next prime is 3402307. The reversal of 3402278 is 8722043.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3402271) 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, 3701 + ... + 4527.

It is an arithmetic number, because the mean of its divisors is an integer number (247779).

Almost surely, 2^3402278 is an apocalyptic number.

3402278 is a deficient number, since it is larger than the sum of its proper divisors (2544418).

3402278 is a wasteful number, since it uses less digits than its factorization.

3402278 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 868 (or 857 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 26.

The square root of 3402278 is about 1844.5264975055. The cubic root of 3402278 is about 150.4030346358.

The spelling of 3402278 in words is "three million, four hundred two thousand, two hundred seventy-eight".