3900678 has 16 divisors (see below), whose sum is σ = 7864320. Its totient is φ = 1289736.

The previous prime is 3900649. The next prime is 3900679. The reversal of 3900678 is 8760093.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3900679) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1798 + ... + 3321.

It is an arithmetic number, because the mean of its divisors is an integer number (491520).

Almost surely, 2^3900678 is an apocalyptic number.

3900678 is an abundant number, since it is smaller than the sum of its proper divisors (3963642).

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

3900678 is a wasteful number, since it uses less digits than its factorization.

3900678 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5251.

The product of its (nonzero) digits is 9072, while the sum is 33.

The square root of 3900678 is about 1975.0134176759. The cubic root of 3900678 is about 157.4152126158.

The spelling of 3900678 in words is "three million, nine hundred thousand, six hundred seventy-eight".