3601890 has 48 divisors (see below), whose sum is σ = 9674496. Its totient is φ = 928800.

The previous prime is 3601889. The next prime is 3601903. The reversal of 3601890 is 981063.

It is a super-2 number, since 2×3601890² = 25947223144200, which contains 22 as substring.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

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, 2145 + ... + 3435.

It is an arithmetic number, because the mean of its divisors is an integer number (201552).

Almost surely, 2^3601890 is an apocalyptic number.

3601890 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 3601890, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4837248).

3601890 is an abundant number, since it is smaller than the sum of its proper divisors (6072606).

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

3601890 is a wasteful number, since it uses less digits than its factorization.

3601890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1335 (or 1332 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

The square root of 3601890 is about 1897.8645894794. The cubic root of 3601890 is about 153.2887026166.

The spelling of 3601890 in words is "three million, six hundred one thousand, eight hundred ninety".