3684390 has 32 divisors (see below), whose sum is σ = 8902656. Its totient is φ = 975840.

The previous prime is 3684389. The next prime is 3684391. The reversal of 3684390 is 934863.

It is an interprime number because it is at equal distance from previous prime (3684389) and next prime (3684391).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3684391) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5409 + ... + 6051.

It is an arithmetic number, because the mean of its divisors is an integer number (278208).

Almost surely, 2^3684390 is an apocalyptic number.

3684390 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

3684390 is an abundant number, since it is smaller than the sum of its proper divisors (5218266).

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

3684390 is a wasteful number, since it uses less digits than its factorization.

3684390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 844.

The product of its (nonzero) digits is 15552, while the sum is 33.

The square root of 3684390 is about 1919.4764911298. The cubic root of 3684390 is about 154.4502201353.

The spelling of 3684390 in words is "three million, six hundred eighty-four thousand, three hundred ninety".