3601290 has 64 divisors (see below), whose sum is σ = 10782720. Its totient is φ = 747840.

The previous prime is 3601267. The next prime is 3601291. The reversal of 3601290 is 921063.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3601291) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1531 + ... + 3089.

It is an arithmetic number, because the mean of its divisors is an integer number (168480).

Almost surely, 2^3601290 is an apocalyptic number.

3601290 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 3601290, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5391360).

3601290 is an abundant number, since it is smaller than the sum of its proper divisors (7181430).

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

3601290 is a wasteful number, since it uses less digits than its factorization.

3601290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1587.

The product of its (nonzero) digits is 324, while the sum is 21.

The square root of 3601290 is about 1897.7065105016. The cubic root of 3601290 is about 153.2801905734.

The spelling of 3601290 in words is "three million, six hundred one thousand, two hundred ninety".