4612981 has 4 divisors (see below), whose sum is σ = 4632364. Its totient is φ = 4593600.

The previous prime is 4612969. The next prime is 4612987. The reversal of 4612981 is 1892164.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3010225 + 1602756 = 1735^2 + 1266^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4612981 is a prime.

It is a super-2 number, since 2×4612981² = 42559187412722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4612987) 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, 9330 + ... + 9811.

It is an arithmetic number, because the mean of its divisors is an integer number (1158091).

Almost surely, 2^4612981 is an apocalyptic number.

It is an amenable number.

4612981 is a deficient number, since it is larger than the sum of its proper divisors (19383).

4612981 is a wasteful number, since it uses less digits than its factorization.

4612981 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19382.

The product of its digits is 3456, while the sum is 31.

The square root of 4612981 is about 2147.7851382296. The cubic root of 4612981 is about 166.4666431507.

The spelling of 4612981 in words is "four million, six hundred twelve thousand, nine hundred eighty-one".