4991254 has 8 divisors (see below), whose sum is σ = 7503120. Its totient is φ = 2490216.

The previous prime is 4991249. The next prime is 4991257. The reversal of 4991254 is 4521994.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4991257) 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, 1434 + ... + 3469.

It is an arithmetic number, because the mean of its divisors is an integer number (937890).

Almost surely, 2^4991254 is an apocalyptic number.

4991254 is a deficient number, since it is larger than the sum of its proper divisors (2511866).

4991254 is a wasteful number, since it uses less digits than its factorization.

4991254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5414.

The product of its digits is 12960, while the sum is 34.

The square root of 4991254 is about 2234.1114564856. Note that the first 3 decimals coincide. The cubic root of 4991254 is about 170.8978334801.

Subtracting from 4991254 its sum of digits (34), we obtain a triangular number (4991220 = T₃₁₅₉).

The spelling of 4991254 in words is "four million, nine hundred ninety-one thousand, two hundred fifty-four".