4149859 has 6 divisors (see below), whose sum is σ = 4827444. Its totient is φ = 3556980.

The previous prime is 4149839. The next prime is 4149881. The reversal of 4149859 is 9589414.

It is not a de Polignac number, because 4149859 - 2⁷ = 4149731 is a prime.

It is a Duffinian number.

4149859 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (4149839) 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 5 ways as a sum of consecutive naturals, for example, 42297 + ... + 42394.

It is an arithmetic number, because the mean of its divisors is an integer number (804574).

Almost surely, 2^4149859 is an apocalyptic number.

4149859 is a gapful number since it is divisible by the number (49) formed by its first and last digit.

4149859 is a deficient number, since it is larger than the sum of its proper divisors (677585).

4149859 is an equidigital number, since it uses as much as digits as its factorization.

4149859 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84705 (or 84698 counting only the distinct ones).

The product of its digits is 51840, while the sum is 40.

The square root of 4149859 is about 2037.1202713635. The cubic root of 4149859 is about 160.6982375322.

The spelling of 4149859 in words is "four million, one hundred forty-nine thousand, eight hundred fifty-nine".