3922380 has 144 divisors (see below), whose sum is σ = 14886144. Its totient is φ = 812160.

The previous prime is 3922367. The next prime is 3922403. The reversal of 3922380 is 832293.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 13719 + ... + 14001.

It is an arithmetic number, because the mean of its divisors is an integer number (103376).

Almost surely, 2^3922380 is an apocalyptic number.

3922380 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a pronic number, being equal to 1980×1981.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3922380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7443072).

3922380 is an abundant number, since it is smaller than the sum of its proper divisors (10963764).

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

3922380 is a wasteful number, since it uses less digits than its factorization.

3922380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 316 (or 311 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 3922380 is about 1980.4999368846. The cubic root of 3922380 is about 157.7066071628.

It can be divided in two parts, 392 and 2380, that added together give a palindrome (2772).

The spelling of 3922380 in words is "three million, nine hundred twenty-two thousand, three hundred eighty".