4507890 has 32 divisors (see below), whose sum is σ = 11456640. Its totient is φ = 1131264.

The previous prime is 4507879. The next prime is 4507891. The reversal of 4507890 is 987054.

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 (4507891) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3910 + ... + 4929.

It is an arithmetic number, because the mean of its divisors is an integer number (358020).

Almost surely, 2^4507890 is an apocalyptic number.

4507890 is an abundant number, since it is smaller than the sum of its proper divisors (6948750).

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

4507890 is a wasteful number, since it uses less digits than its factorization.

4507890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8866.

The product of its (nonzero) digits is 10080, while the sum is 33.

The square root of 4507890 is about 2123.1792199435. The cubic root of 4507890 is about 165.1927957586.

The spelling of 4507890 in words is "four million, five hundred seven thousand, eight hundred ninety".