3725855 has 8 divisors (see below), whose sum is σ = 5109792. Its totient is φ = 2554848.

The previous prime is 3725849. The next prime is 3725857. The reversal of 3725855 is 5585273.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3725855 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35), and also a Moran number because the ratio is a prime number: 106453 = 3725855 / (3 + 7 + 2 + 5 + 8 + 5 + 5).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3725857) 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 7 ways as a sum of consecutive naturals, for example, 53192 + ... + 53261.

It is an arithmetic number, because the mean of its divisors is an integer number (638724).

Almost surely, 2^3725855 is an apocalyptic number.

3725855 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

3725855 is a deficient number, since it is larger than the sum of its proper divisors (1383937).

3725855 is a wasteful number, since it uses less digits than its factorization.

3725855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106465.

The product of its digits is 42000, while the sum is 35.

The square root of 3725855 is about 1930.2473934706. The cubic root of 3725855 is about 155.0274665165.

The spelling of 3725855 in words is "three million, seven hundred twenty-five thousand, eight hundred fifty-five".