3887415 has 72 divisors (see below), whose sum is σ = 8216208. Its totient is φ = 1693440.

The previous prime is 3887399. The next prime is 3887449. The reversal of 3887415 is 5147883.

3887415 = T₄₁ + T₄₂ + ... + T₂₈₅.

It is not a de Polignac number, because 3887415 - 2⁴ = 3887399 is a prime.

It is a super-2 number, since 2×3887415² = 30223990764450, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 3887415.

It is a congruent number.

It is an unprimeable number.

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 71 ways as a sum of consecutive naturals, for example, 90384 + ... + 90426.

It is an arithmetic number, because the mean of its divisors is an integer number (114114).

Almost surely, 2^3887415 is an apocalyptic number.

3887415 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

3887415 is an abundant number, since it is smaller than the sum of its proper divisors (4328793).

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

3887415 is a wasteful number, since it uses less digits than its factorization.

3887415 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109 (or 99 counting only the distinct ones).

The product of its digits is 26880, while the sum is 36.

The square root of 3887415 is about 1971.6528599122. The cubic root of 3887415 is about 157.2365967667.

The spelling of 3887415 in words is "three million, eight hundred eighty-seven thousand, four hundred fifteen".