3872550 has 48 divisors (see below), whose sum is σ = 10481472. Its totient is φ = 938400.

The previous prime is 3872543. The next prime is 3872567. The reversal of 3872550 is 552783.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30).

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, 477 + ... + 2823.

It is an arithmetic number, because the mean of its divisors is an integer number (218364).

Almost surely, 2^3872550 is an apocalyptic number.

3872550 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 3872550, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5240736).

3872550 is an abundant number, since it is smaller than the sum of its proper divisors (6608922).

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

3872550 is a wasteful number, since it uses less digits than its factorization.

3872550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2373 (or 2368 counting only the distinct ones).

The product of its (nonzero) digits is 8400, while the sum is 30.

The square root of 3872550 is about 1967.8795694859. The cubic root of 3872550 is about 157.0359229198.

The spelling of 3872550 in words is "three million, eight hundred seventy-two thousand, five hundred fifty".