4151868 has 72 divisors (see below), whose sum is σ = 11797632. Its totient is φ = 1130976.

The previous prime is 4151821. The next prime is 4151879. The reversal of 4151868 is 8681514.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13371 + ... + 13677.

It is an arithmetic number, because the mean of its divisors is an integer number (163856).

Almost surely, 2^4151868 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4151868, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5898816).

4151868 is an abundant number, since it is smaller than the sum of its proper divisors (7645764).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4151868 is a wasteful number, since it uses less digits than its factorization.

4151868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 351 (or 342 counting only the distinct ones).

The product of its digits is 7680, while the sum is 33.

The square root of 4151868 is about 2037.6133097327. The cubic root of 4151868 is about 160.7241653750.

The spelling of 4151868 in words is "four million, one hundred fifty-one thousand, eight hundred sixty-eight".