3896390 has 16 divisors (see below), whose sum is σ = 7240320. Its totient is φ = 1508160.

The previous prime is 3896381. The next prime is 3896413. The reversal of 3896390 is 936983.

It is a happy number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5975 + ... + 6594.

It is an arithmetic number, because the mean of its divisors is an integer number (452520).

Almost surely, 2^3896390 is an apocalyptic number.

3896390 is a deficient number, since it is larger than the sum of its proper divisors (3343930).

3896390 is a wasteful number, since it uses less digits than its factorization.

3896390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12607.

The product of its (nonzero) digits is 34992, while the sum is 38.

The square root of 3896390 is about 1973.9275569281. The cubic root of 3896390 is about 157.3575094915.

The spelling of 3896390 in words is "three million, eight hundred ninety-six thousand, three hundred ninety".