6149887 has 2 divisors, whose sum is σ = 6149888. Its totient is φ = 6149886.

The previous prime is 6149879. The next prime is 6149893. The reversal of 6149887 is 7889416.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6149887 - 2³ = 6149879 is a prime.

It is a super-2 number, since 2×6149887² = 75642220225538, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6149867) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3074943 + 3074944.

It is an arithmetic number, because the mean of its divisors is an integer number (3074944).

Almost surely, 2^6149887 is an apocalyptic number.

6149887 is a deficient number, since it is larger than the sum of its proper divisors (1).

6149887 is an equidigital number, since it uses as much as digits as its factorization.

6149887 is an evil number, because the sum of its binary digits is even.

The product of its digits is 96768, while the sum is 43.

The square root of 6149887 is about 2479.8965704239. The cubic root of 6149887 is about 183.2127578150.

It can be divided in two parts, 614 and 9887, that added together give a palindrome (10501).

The spelling of 6149887 in words is "six million, one hundred forty-nine thousand, eight hundred eighty-seven".