4942981 has 8 divisors (see below), whose sum is σ = 5128704. Its totient is φ = 4758960.

The previous prime is 4942969. The next prime is 4942991. The reversal of 4942981 is 1892494.

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 4942981 - 2¹⁷ = 4811909 is a prime.

It is a super-2 number, since 2×4942981² = 48866122332722, which contains 22 as substring.

It is an Ulam number.

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 4942981.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4942901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9576 + ... + 10078.

It is an arithmetic number, because the mean of its divisors is an integer number (641088).

Almost surely, 2^4942981 is an apocalyptic number.

It is an amenable number.

4942981 is a deficient number, since it is larger than the sum of its proper divisors (185723).

4942981 is a wasteful number, since it uses less digits than its factorization.

4942981 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 851.

The product of its digits is 20736, while the sum is 37.

The square root of 4942981 is about 2223.2815836056. The cubic root of 4942981 is about 170.3451005853.

The spelling of 4942981 in words is "four million, nine hundred forty-two thousand, nine hundred eighty-one".