4527890 has 16 divisors (see below), whose sum is σ = 8579520. Its totient is φ = 1715760.

The previous prime is 4527877. The next prime is 4527893. The reversal of 4527890 is 987254.

It is a happy number.

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

It is a self number, because there is not a number n which added to its sum of digits gives 4527890.

It is not an unprimeable number, because it can be changed into a prime (4527893) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11726 + ... + 12105.

It is an arithmetic number, because the mean of its divisors is an integer number (536220).

Almost surely, 2^4527890 is an apocalyptic number.

4527890 is a deficient number, since it is larger than the sum of its proper divisors (4051630).

4527890 is a wasteful number, since it uses less digits than its factorization.

4527890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23857.

The product of its (nonzero) digits is 20160, while the sum is 35.

The square root of 4527890 is about 2127.8839254057. The cubic root of 4527890 is about 165.4367370769.

The spelling of 4527890 in words is "four million, five hundred twenty-seven thousand, eight hundred ninety".