3997234 has 4 divisors (see below), whose sum is σ = 5995854. Its totient is φ = 1998616.

The previous prime is 3997211. The next prime is 3997241. The reversal of 3997234 is 4327993.

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

It can be written as a sum of positive squares in only one way, i.e., 3744225 + 253009 = 1935^2 + 503^2 .

It is a junction number, because it is equal to n+sod(n) for n = 3997193 and 3997202.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 999307 + ... + 999310.

Almost surely, 2^3997234 is an apocalyptic number.

3997234 is a deficient number, since it is larger than the sum of its proper divisors (1998620).

3997234 is a wasteful number, since it uses less digits than its factorization.

3997234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1998619.

The product of its digits is 40824, while the sum is 37.

The square root of 3997234 is about 1999.3083804156. The cubic root of 3997234 is about 158.7035071654.

The spelling of 3997234 in words is "three million, nine hundred ninety-seven thousand, two hundred thirty-four".