3387639 has 4 divisors (see below), whose sum is σ = 4516856. Its totient is φ = 2258424.

The previous prime is 3387613. The next prime is 3387653. The reversal of 3387639 is 9367833.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 3387639 - 2⁷ = 3387511 is a prime.

It is a super-2 number, since 2×3387639² = 22952195988642, which contains 22 as substring.

It is a D-number.

It is a Duffinian number.

3387639 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 3387597 and 3387606.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3387679) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 564604 + ... + 564609.

It is an arithmetic number, because the mean of its divisors is an integer number (1129214).

Almost surely, 2^3387639 is an apocalyptic number.

3387639 is a deficient number, since it is larger than the sum of its proper divisors (1129217).

3387639 is a wasteful number, since it uses less digits than its factorization.

3387639 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1129216.

The product of its digits is 81648, while the sum is 39.

The square root of 3387639 is about 1840.5539926881. The cubic root of 3387639 is about 150.1870111930.

The spelling of 3387639 in words is "three million, three hundred eighty-seven thousand, six hundred thirty-nine".