3861501 has 8 divisors (see below), whose sum is σ = 5884224. Its totient is φ = 2206560.

The previous prime is 3861463. The next prime is 3861521. The reversal of 3861501 is 1051683.

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

It is not a de Polignac number, because 3861501 - 2¹⁵ = 3828733 is a prime.

It is a super-2 number, since 2×3861501² = 29822379946002, which contains 22 as substring.

It is a Curzon number.

3861501 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3861521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 91920 + ... + 91961.

It is an arithmetic number, because the mean of its divisors is an integer number (735528).

Almost surely, 2^3861501 is an apocalyptic number.

It is an amenable number.

3861501 is a deficient number, since it is larger than the sum of its proper divisors (2022723).

3861501 is a wasteful number, since it uses less digits than its factorization.

3861501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183891.

The product of its (nonzero) digits is 720, while the sum is 24.

The square root of 3861501 is about 1965.0702277527. The cubic root of 3861501 is about 156.8864311813.

The spelling of 3861501 in words is "three million, eight hundred sixty-one thousand, five hundred one".