4721894 has 8 divisors (see below), whose sum is σ = 7092360. Its totient is φ = 2357776.

The previous prime is 4721891. The next prime is 4721897. The reversal of 4721894 is 4981274.

It is an interprime number because it is at equal distance from previous prime (4721891) and next prime (4721897).

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

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4721891) 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, 1397 + ... + 3375.

It is an arithmetic number, because the mean of its divisors is an integer number (886545).

Almost surely, 2^4721894 is an apocalyptic number.

4721894 is a deficient number, since it is larger than the sum of its proper divisors (2370466).

4721894 is a wasteful number, since it uses less digits than its factorization.

4721894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3174.

The product of its digits is 16128, while the sum is 35.

The square root of 4721894 is about 2172.9919466027. The cubic root of 4721894 is about 167.7665644922.

Adding to 4721894 its sum of digits (35), we get a square (4721929 = 2173²).

The spelling of 4721894 in words is "four million, seven hundred twenty-one thousand, eight hundred ninety-four".