4146981 has 4 divisors (see below), whose sum is σ = 5529312. Its totient is φ = 2764652.

The previous prime is 4146979. The next prime is 4147001. The reversal of 4146981 is 1896414.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 4146981 - 2¹ = 4146979 is a prime.

It is a super-2 number, since 2×4146981² = 34394902828722, which contains 22 as substring.

It is a D-number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4146881) 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, 691161 + ... + 691166.

It is an arithmetic number, because the mean of its divisors is an integer number (1382328).

Almost surely, 2^4146981 is an apocalyptic number.

It is an amenable number.

4146981 is a deficient number, since it is larger than the sum of its proper divisors (1382331).

4146981 is a wasteful number, since it uses less digits than its factorization.

4146981 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1382330.

The product of its digits is 6912, while the sum is 33.

The square root of 4146981 is about 2036.4137595292. The cubic root of 4146981 is about 160.6610799256.

The spelling of 4146981 in words is "four million, one hundred forty-six thousand, nine hundred eighty-one".