3208262981 has 16 divisors (see below), whose sum is σ = 4092937728. Its totient is φ = 2441804400.

The previous prime is 3208262971. The next prime is 3208262989. The reversal of 3208262981 is 1892628023.

It is not a de Polignac number, because 3208262981 - 2²⁶ = 3141154117 is a prime.

It is a super-2 number, since 2×3208262981² = 20585902710510012722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3208262989) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 481175 + ... + 487796.

It is an arithmetic number, because the mean of its divisors is an integer number (255808608).

Almost surely, 2^3208262981 is an apocalyptic number.

It is an amenable number.

3208262981 is a deficient number, since it is larger than the sum of its proper divisors (884674747).

3208262981 is a wasteful number, since it uses less digits than its factorization.

3208262981 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 969032.

The product of its (nonzero) digits is 82944, while the sum is 41.

The square root of 3208262981 is about 56641.5305319339. The cubic root of 3208262981 is about 1474.8798877200.

The spelling of 3208262981 in words is "three billion, two hundred eight million, two hundred sixty-two thousand, nine hundred eighty-one".