4774991 has 4 divisors (see below), whose sum is σ = 5142312. Its totient is φ = 4407672.

The previous prime is 4774969. The next prime is 4774993. The reversal of 4774991 is 1994774.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 4774991 - 2¹⁸ = 4512847 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4774993) 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, 183641 + ... + 183666.

It is an arithmetic number, because the mean of its divisors is an integer number (1285578).

Almost surely, 2^4774991 is an apocalyptic number.

4774991 is a deficient number, since it is larger than the sum of its proper divisors (367321).

4774991 is a wasteful number, since it uses less digits than its factorization.

4774991 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 367320.

The product of its digits is 63504, while the sum is 41.

The square root of 4774991 is about 2185.1752790108. The cubic root of 4774991 is about 168.3930587879.

The spelling of 4774991 in words is "four million, seven hundred seventy-four thousand, nine hundred ninety-one".