3764981 has 16 divisors (see below), whose sum is σ = 4333056. Its totient is φ = 3240000.

The previous prime is 3764953. The next prime is 3764993. The reversal of 3764981 is 1894673.

It is a cyclic number.

It is not a de Polignac number, because 3764981 - 2¹⁴ = 3748597 is a prime.

It is a super-2 number, since 2×3764981² = 28350163860722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3764911) 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, 20711 + ... + 20891.

It is an arithmetic number, because the mean of its divisors is an integer number (270816).

Almost surely, 2^3764981 is an apocalyptic number.

3764981 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

It is an amenable number.

3764981 is a deficient number, since it is larger than the sum of its proper divisors (568075).

3764981 is a wasteful number, since it uses less digits than its factorization.

3764981 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 284.

The product of its digits is 36288, while the sum is 38.

The square root of 3764981 is about 1940.3558951904. The cubic root of 3764981 is about 155.5682368535.

The spelling of 3764981 in words is "three million, seven hundred sixty-four thousand, nine hundred eighty-one".