3887737 has 4 divisors (see below), whose sum is σ = 4443136. Its totient is φ = 3332340.

The previous prime is 3887731. The next prime is 3887749. The reversal of 3887737 is 7377883.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 3887737 - 2¹⁵ = 3854969 is a prime.

It is a super-2 number, since 2×3887737² = 30228997962338, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3887693 and 3887702.

It is not an unprimeable number, because it can be changed into a prime (3887731) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 277689 + ... + 277702.

It is an arithmetic number, because the mean of its divisors is an integer number (1110784).

Almost surely, 2^3887737 is an apocalyptic number.

It is an amenable number.

3887737 is a deficient number, since it is larger than the sum of its proper divisors (555399).

3887737 is an equidigital number, since it uses as much as digits as its factorization.

3887737 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 555398.

The product of its digits is 197568, while the sum is 43.

The square root of 3887737 is about 1971.7345155979. The cubic root of 3887737 is about 157.2409380222.

It can be divided in two parts, 3887 and 737, that added together give a square (4624 = 68²).

The spelling of 3887737 in words is "three million, eight hundred eighty-seven thousand, seven hundred thirty-seven".