3345678 has 64 divisors (see below), whose sum is σ = 8709120. Its totient is φ = 932256.

The previous prime is 3345659. The next prime is 3345679. The reversal of 3345678 is 8765433.

It is a happy number.

It is a super-2 number, since 2×3345678² = 22387122559368, which contains 22 as substring.

It is a plaindrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3345679) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 19951 + ... + 20117.

It is an arithmetic number, because the mean of its divisors is an integer number (136080).

Almost surely, 2^3345678 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3345678, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4354560).

3345678 is an abundant number, since it is smaller than the sum of its proper divisors (5363442).

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

3345678 is a wasteful number, since it uses less digits than its factorization.

3345678 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 238 (or 232 counting only the distinct ones).

The product of its digits is 60480, while the sum is 36.

The square root of 3345678 is about 1829.1194602868. The cubic root of 3345678 is about 149.5643358702.

The spelling of 3345678 in words is "three million, three hundred forty-five thousand, six hundred seventy-eight".