3438187 has 4 divisors (see below), whose sum is σ = 3469840. Its totient is φ = 3406536.

The previous prime is 3438173. The next prime is 3438203. The reversal of 3438187 is 7818343.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7818343 = 13 ⋅601411.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3438187 is a prime.

It is a super-2 number, since 2×3438187² = 23642259693938, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3438157) 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, 15663 + ... + 15880.

It is an arithmetic number, because the mean of its divisors is an integer number (867460).

Almost surely, 2^3438187 is an apocalyptic number.

3438187 is a deficient number, since it is larger than the sum of its proper divisors (31653).

3438187 is a wasteful number, since it uses less digits than its factorization.

3438187 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31652.

The product of its digits is 16128, while the sum is 34.

The square root of 3438187 is about 1854.2348826403. The cubic root of 3438187 is about 150.9303217841.

The spelling of 3438187 in words is "three million, four hundred thirty-eight thousand, one hundred eighty-seven".