4991974 has 8 divisors (see below), whose sum is σ = 8064000. Its totient is φ = 2303976.

The previous prime is 4991963. The next prime is 4991977. The reversal of 4991974 is 4791994.

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

It is a self number, because there is not a number n which added to its sum of digits gives 4991974.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4991977) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 95974 + ... + 96025.

It is an arithmetic number, because the mean of its divisors is an integer number (1008000).

Almost surely, 2^4991974 is an apocalyptic number.

4991974 is a deficient number, since it is larger than the sum of its proper divisors (3072026).

4991974 is a wasteful number, since it uses less digits than its factorization.

4991974 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192014.

The product of its digits is 81648, while the sum is 43.

The square root of 4991974 is about 2234.2725885621. The cubic root of 4991974 is about 170.9060505550.

The spelling of 4991974 in words is "four million, nine hundred ninety-one thousand, nine hundred seventy-four".