3387820 has 24 divisors (see below), whose sum is σ = 7154784. Its totient is φ = 1347456.

The previous prime is 3387817. The next prime is 3387821. The reversal of 3387820 is 287833.

3387820 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×3387820² = 22954648704800, which contains 22 as substring.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (3387821) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4297 + ... + 5023.

It is an arithmetic number, because the mean of its divisors is an integer number (298116).

Almost surely, 2^3387820 is an apocalyptic number.

It is an amenable number.

3387820 is an abundant number, since it is smaller than the sum of its proper divisors (3766964).

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

3387820 is a wasteful number, since it uses less digits than its factorization.

3387820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 969 (or 967 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 31.

The square root of 3387820 is about 1840.6031620097. The cubic root of 3387820 is about 150.1896859531.

The spelling of 3387820 in words is "three million, three hundred eighty-seven thousand, eight hundred twenty".