3728850 has 24 divisors (see below), whose sum is σ = 9247920. Its totient is φ = 994320.

The previous prime is 3728821. The next prime is 3728861. The reversal of 3728850 is 588273.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12280 + ... + 12579.

It is an arithmetic number, because the mean of its divisors is an integer number (385330).

Almost surely, 2^3728850 is an apocalyptic number.

3728850 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

3728850 is an abundant number, since it is smaller than the sum of its proper divisors (5519070).

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

3728850 is a wasteful number, since it uses less digits than its factorization.

3728850 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24874 (or 24869 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 33.

The square root of 3728850 is about 1931.0230449169. The cubic root of 3728850 is about 155.0689946050.

The spelling of 3728850 in words is "three million, seven hundred twenty-eight thousand, eight hundred fifty".