4547890 has 16 divisors (see below), whose sum is σ = 8218008. Its totient is φ = 1812096.

The previous prime is 4547887. The next prime is 4547899. The reversal of 4547890 is 987454.

It can be written as a sum of positive squares in 4 ways, for example, as 3493161 + 1054729 = 1869^2 + 1027^2 .

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

It is not an unprimeable number, because it can be changed into a prime (4547899) 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, 2404 + ... + 3856.

Almost surely, 2^4547890 is an apocalyptic number.

4547890 is a deficient number, since it is larger than the sum of its proper divisors (3670118).

4547890 is a wasteful number, since it uses less digits than its factorization.

4547890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1773.

The product of its (nonzero) digits is 40320, while the sum is 37.

The square root of 4547890 is about 2132.5782517882. The cubic root of 4547890 is about 165.6799611117.

The spelling of 4547890 in words is "four million, five hundred forty-seven thousand, eight hundred ninety".