3890466 has 36 divisors (see below), whose sum is σ = 8764002. Its totient is φ = 1247232.

The previous prime is 3890431. The next prime is 3890503. The reversal of 3890466 is 6640983.

It can be written as a sum of positive squares in 3 ways, for example, as 3884841 + 5625 = 1971^2 + 75^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 3890466.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 15010 + ... + 15266.

Almost surely, 2^3890466 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3890466, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4382001).

3890466 is an abundant number, since it is smaller than the sum of its proper divisors (4873536).

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

3890466 is a wasteful number, since it uses less digits than its factorization.

3890466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 323 (or 291 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 36.

The square root of 3890466 is about 1972.4264244833. The cubic root of 3890466 is about 157.2777212164.

It can be divided in two parts, 3890 and 466, that added together give a square (4356 = 66²).

The spelling of 3890466 in words is "three million, eight hundred ninety thousand, four hundred sixty-six".