3982357 has 4 divisors (see below), whose sum is σ = 4067136. Its totient is φ = 3897580.

The previous prime is 3982351. The next prime is 3982373. The reversal of 3982357 is 7532893.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 7532893 = 131 ⋅57503.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3982357 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3982351) 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, 42319 + ... + 42412.

It is an arithmetic number, because the mean of its divisors is an integer number (1016784).

Almost surely, 2^3982357 is an apocalyptic number.

It is an amenable number.

3982357 is a deficient number, since it is larger than the sum of its proper divisors (84779).

3982357 is an equidigital number, since it uses as much as digits as its factorization.

3982357 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84778.

The product of its digits is 45360, while the sum is 37.

The square root of 3982357 is about 1995.5843755652. The cubic root of 3982357 is about 158.5063735757.

The spelling of 3982357 in words is "three million, nine hundred eighty-two thousand, three hundred fifty-seven".