6149881 has 8 divisors (see below), whose sum is σ = 6347520. Its totient is φ = 5953968.

The previous prime is 6149879. The next prime is 6149887. The reversal of 6149881 is 1889416.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 6149881 - 2¹ = 6149879 is a prime.

It is a super-2 number, since 2×6149881² = 75642072628322, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 6149881.

It is not an unprimeable number, because it can be changed into a prime (6149887) 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, 12600 + ... + 13078.

It is an arithmetic number, because the mean of its divisors is an integer number (793440).

Almost surely, 2^6149881 is an apocalyptic number.

It is an amenable number.

6149881 is a deficient number, since it is larger than the sum of its proper divisors (197639).

6149881 is a wasteful number, since it uses less digits than its factorization.

6149881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 863.

The product of its digits is 13824, while the sum is 37.

The square root of 6149881 is about 2479.8953606957. The cubic root of 6149881 is about 183.2126982325.

The spelling of 6149881 in words is "six million, one hundred forty-nine thousand, eight hundred eighty-one".