5667946 has 4 divisors (see below), whose sum is σ = 8501922. Its totient is φ = 2833972.

The previous prime is 5667941. The next prime is 5667971. The reversal of 5667946 is 6497665.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6497665 = 5 ⋅1299533.

It can be written as a sum of positive squares in only one way, i.e., 5499025 + 168921 = 2345^2 + 411^2 .

It is a super-2 number, since 2×5667946² = 64251223717832, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (5667941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1416985 + ... + 1416988.

Almost surely, 2^5667946 is an apocalyptic number.

5667946 is a deficient number, since it is larger than the sum of its proper divisors (2833976).

5667946 is a wasteful number, since it uses less digits than its factorization.

5667946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2833975.

The product of its digits is 272160, while the sum is 43.

The square root of 5667946 is about 2380.7448414309. The cubic root of 5667946 is about 178.2961236795.

The spelling of 5667946 in words is "five million, six hundred sixty-seven thousand, nine hundred forty-six".