4767981 has 4 divisors (see below), whose sum is σ = 6357312. Its totient is φ = 3178652.

The previous prime is 4767953. The next prime is 4768003. The reversal of 4767981 is 1897674.

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 4767981 - 2⁵ = 4767949 is a prime.

It is a super-2 number, since 2×4767981² = 45467285632722, 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 (4767181) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 794661 + ... + 794666.

It is an arithmetic number, because the mean of its divisors is an integer number (1589328).

Almost surely, 2^4767981 is an apocalyptic number.

It is an amenable number.

4767981 is a deficient number, since it is larger than the sum of its proper divisors (1589331).

4767981 is a wasteful number, since it uses less digits than its factorization.

4767981 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1589330.

The product of its digits is 84672, while the sum is 42.

The square root of 4767981 is about 2183.5706995653. The cubic root of 4767981 is about 168.3106144115.

The spelling of 4767981 in words is "four million, seven hundred sixty-seven thousand, nine hundred eighty-one".