5997994 has 4 divisors (see below), whose sum is σ = 8996994. Its totient is φ = 2998996.

The previous prime is 5997967. The next prime is 5998001. The reversal of 5997994 is 4997995.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4997995 = 5 ⋅999599.

It can be written as a sum of positive squares in only one way, i.e., 5349969 + 648025 = 2313^2 + 805^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1499497 + ... + 1499500.

Almost surely, 2^5997994 is an apocalyptic number.

5997994 is a deficient number, since it is larger than the sum of its proper divisors (2999000).

5997994 is a wasteful number, since it uses less digits than its factorization.

5997994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2998999.

The product of its digits is 918540, while the sum is 52.

The square root of 5997994 is about 2449.0802355170. The cubic root of 5997994 is about 181.6918062265.

Subtracting from 5997994 its reverse (4997995), we obtain a palindrome (999999).

The spelling of 5997994 in words is "five million, nine hundred ninety-seven thousand, nine hundred ninety-four".