3933946 has 4 divisors (see below), whose sum is σ = 5900922. Its totient is φ = 1966972.

The previous prime is 3933929. The next prime is 3933959. The reversal of 3933946 is 6493393.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6493393 = 401 ⋅16193.

It can be written as a sum of positive squares in only one way, i.e., 2070721 + 1863225 = 1439^2 + 1365^2 .

It is a super-2 number, since 2×3933946² = 30951862261832, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 983485 + ... + 983488.

Almost surely, 2^3933946 is an apocalyptic number.

3933946 is a deficient number, since it is larger than the sum of its proper divisors (1966976).

3933946 is a wasteful number, since it uses less digits than its factorization.

3933946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1966975.

The product of its digits is 52488, while the sum is 37.

The square root of 3933946 is about 1983.4177573068. The cubic root of 3933946 is about 157.8614659216.

The spelling of 3933946 in words is "three million, nine hundred thirty-three thousand, nine hundred forty-six".