3861512 has 8 divisors (see below), whose sum is σ = 7240350. Its totient is φ = 1930752.

The previous prime is 3861463. The next prime is 3861521. The reversal of 3861512 is 2151683.

It can be written as a sum of positive squares in only one way, i.e., 3076516 + 784996 = 1754^2 + 886^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×3861512² = 29822549852288, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 241337 + ... + 241352.

Almost surely, 2^3861512 is an apocalyptic number.

It is an amenable number.

3861512 is a deficient number, since it is larger than the sum of its proper divisors (3378838).

3861512 is a wasteful number, since it uses less digits than its factorization.

3861512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 482695 (or 482691 counting only the distinct ones).

The product of its digits is 1440, while the sum is 26.

The square root of 3861512 is about 1965.0730266329. The cubic root of 3861512 is about 156.8865801518.

The spelling of 3861512 in words is "three million, eight hundred sixty-one thousand, five hundred twelve".