3873501 has 40 divisors (see below), whose sum is σ = 6403320. Its totient is φ = 2322432.

The previous prime is 3873497. The next prime is 3873509. The reversal of 3873501 is 1053783.

It can be written as a sum of positive squares in 4 ways, for example, as 980100 + 2893401 = 990^2 + 1701^2 .

It is not a de Polignac number, because 3873501 - 2² = 3873497 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3873509) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 39885 + ... + 39981.

It is an arithmetic number, because the mean of its divisors is an integer number (160083).

Almost surely, 2^3873501 is an apocalyptic number.

It is an amenable number.

3873501 is a deficient number, since it is larger than the sum of its proper divisors (2529819).

3873501 is a wasteful number, since it uses less digits than its factorization.

3873501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155 (or 146 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 27.

The square root of 3873501 is about 1968.1211852932. The cubic root of 3873501 is about 157.0487765468.

The spelling of 3873501 in words is "three million, eight hundred seventy-three thousand, five hundred one".