3397878 has 36 divisors (see below), whose sum is σ = 8093124. Its totient is φ = 1021800.

The previous prime is 3397873. The next prime is 3397897. The reversal of 3397878 is 8787933.

Its product of digits (254016) is a multiple of the sum of its prime divisors (147).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3397871) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 25873 + ... + 26003.

It is an arithmetic number, because the mean of its divisors is an integer number (224809).

Almost surely, 2^3397878 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3397878, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4046562).

3397878 is an abundant number, since it is smaller than the sum of its proper divisors (4695246).

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

3397878 is a wasteful number, since it uses less digits than its factorization.

3397878 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 281 (or 147 counting only the distinct ones).

The product of its digits is 254016, while the sum is 45.

The square root of 3397878 is about 1843.3333936106. Note that the first 4 decimals coincide. The cubic root of 3397878 is about 150.3381703658.

The spelling of 3397878 in words is "three million, three hundred ninety-seven thousand, eight hundred seventy-eight".