3890450 has 48 divisors (see below), whose sum is σ = 8035200. Its totient is φ = 1393920.

The previous prime is 3890431. The next prime is 3890503. The reversal of 3890450 is 540983.

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 23 ways as a sum of consecutive naturals, for example, 19451 + ... + 19649.

It is an arithmetic number, because the mean of its divisors is an integer number (167400).

Almost surely, 2^3890450 is an apocalyptic number.

3890450 is an abundant number, since it is smaller than the sum of its proper divisors (4144750).

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

3890450 is a wasteful number, since it uses less digits than its factorization.

3890450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 251 (or 246 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 3890450 is about 1972.4223685611. The cubic root of 3890450 is about 157.2775056083.

The spelling of 3890450 in words is "three million, eight hundred ninety thousand, four hundred fifty".