4167994 has 8 divisors (see below), whose sum is σ = 6268788. Its totient is φ = 2078400.

The previous prime is 4167979. The next prime is 4168001. The reversal of 4167994 is 4997614.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 3751969 + 416025 = 1937^2 + 645^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1797 + ... + 3400.

Almost surely, 2^4167994 is an apocalyptic number.

4167994 is a deficient number, since it is larger than the sum of its proper divisors (2100794).

4167994 is a wasteful number, since it uses less digits than its factorization.

4167994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5600.

The product of its digits is 54432, while the sum is 40.

The square root of 4167994 is about 2041.5665553687. The cubic root of 4167994 is about 160.9319826368.

The spelling of 4167994 in words is "four million, one hundred sixty-seven thousand, nine hundred ninety-four".