8262981 has 6 divisors (see below), whose sum is σ = 11935430. Its totient is φ = 5508648.

The previous prime is 8262979. The next prime is 8262983. The reversal of 8262981 is 1892628.

It is an interprime number because it is at equal distance from previous prime (8262979) and next prime (8262983).

It can be written as a sum of positive squares in only one way, i.e., 8208225 + 54756 = 2865^2 + 234^2 .

It is not a de Polignac number, because 8262981 - 2¹ = 8262979 is a prime.

It is a super-2 number, since 2×8262981² = 136553710012722, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8262983) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 459046 + ... + 459063.

Almost surely, 2^8262981 is an apocalyptic number.

It is an amenable number.

8262981 is a deficient number, since it is larger than the sum of its proper divisors (3672449).

8262981 is a wasteful number, since it uses less digits than its factorization.

8262981 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 918115 (or 918112 counting only the distinct ones).

The product of its digits is 13824, while the sum is 36.

The square root of 8262981 is about 2874.5401371350. The cubic root of 8262981 is about 202.1679239535.

The spelling of 8262981 in words is "eight million, two hundred sixty-two thousand, nine hundred eighty-one".