3893731 has 8 divisors (see below), whose sum is σ = 4145040. Its totient is φ = 3644928.

The previous prime is 3893719. The next prime is 3893741. The reversal of 3893731 is 1373983.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3893731 - 2¹¹ = 3891683 is a prime.

It is a super-2 number, since 2×3893731² = 30322282200722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3893741) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3355 + ... + 4363.

It is an arithmetic number, because the mean of its divisors is an integer number (518130).

Almost surely, 2^3893731 is an apocalyptic number.

3893731 is a deficient number, since it is larger than the sum of its proper divisors (251309).

3893731 is a wasteful number, since it uses less digits than its factorization.

3893731 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1253.

The product of its digits is 13608, while the sum is 34.

The square root of 3893731 is about 1973.2539116900. The cubic root of 3893731 is about 157.3217063649.

It can be divided in two parts, 3893 and 731, that added together give a square (4624 = 68²).

The spelling of 3893731 in words is "three million, eight hundred ninety-three thousand, seven hundred thirty-one".