3387405 has 16 divisors (see below), whose sum is σ = 6194304. Its totient is φ = 1548480.

The previous prime is 3387353. The next prime is 3387407. The reversal of 3387405 is 5047833.

It is not a de Polignac number, because 3387405 - 2⁶ = 3387341 is a prime.

It is a super-2 number, since 2×3387405² = 22949025268050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3387407) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16026 + ... + 16235.

It is an arithmetic number, because the mean of its divisors is an integer number (387144).

Almost surely, 2^3387405 is an apocalyptic number.

3387405 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

3387405 is a deficient number, since it is larger than the sum of its proper divisors (2806899).

3387405 is a wasteful number, since it uses less digits than its factorization.

3387405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32276.

The product of its (nonzero) digits is 10080, while the sum is 30.

The square root of 3387405 is about 1840.4904237730. The cubic root of 3387405 is about 150.1835530746.

The spelling of 3387405 in words is "three million, three hundred eighty-seven thousand, four hundred five".