3975238 has 4 divisors (see below), whose sum is σ = 5962860. Its totient is φ = 1987618.

The previous prime is 3975217. The next prime is 3975239. The reversal of 3975238 is 8325793.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 3975197 and 3975206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3975239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 993808 + ... + 993811.

It is an arithmetic number, because the mean of its divisors is an integer number (1490715).

Almost surely, 2^3975238 is an apocalyptic number.

3975238 is a deficient number, since it is larger than the sum of its proper divisors (1987622).

3975238 is a wasteful number, since it uses less digits than its factorization.

3975238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1987621.

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

The square root of 3975238 is about 1993.7998896579. The cubic root of 3975238 is about 158.4118667350.

The spelling of 3975238 in words is "three million, nine hundred seventy-five thousand, two hundred thirty-eight".