3861504 has 66 divisors (see below), whose sum is σ = 11176620. Its totient is φ = 1284096.

The previous prime is 3861463. The next prime is 3861521. The reversal of 3861504 is 4051683.

It is a super-2 number, since 2×3861504² = 29822426284032, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 9007 + ... + 9425.

Almost surely, 2^3861504 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3861504, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5588310).

3861504 is an abundant number, since it is smaller than the sum of its proper divisors (7315116).

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

3861504 is a wasteful number, since it uses less digits than its factorization.

3861504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 445 (or 424 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 3861504 is about 1965.0709910840. The cubic root of 3861504 is about 156.8864718097.

The spelling of 3861504 in words is "three million, eight hundred sixty-one thousand, five hundred four".