4723890 has 32 divisors (see below), whose sum is σ = 11555136. Its totient is φ = 1235520.

The previous prime is 4723879. The next prime is 4723921. The reversal of 4723890 is 983274.

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

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 105 + ... + 3075.

It is an arithmetic number, because the mean of its divisors is an integer number (361098).

Almost surely, 2^4723890 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4723890, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5777568).

4723890 is an abundant number, since it is smaller than the sum of its proper divisors (6831246).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4723890 is a wasteful number, since it uses less digits than its factorization.

4723890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3034.

The product of its (nonzero) digits is 12096, while the sum is 33.

The square root of 4723890 is about 2173.4511726745. The cubic root of 4723890 is about 167.7902001273.

The spelling of 4723890 in words is "four million, seven hundred twenty-three thousand, eight hundred ninety".