4542890 has 16 divisors (see below), whose sum is σ = 8920800. Its totient is φ = 1651920.

The previous prime is 4542887. The next prime is 4542911. The reversal of 4542890 is 982454.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20540 + ... + 20759.

It is an arithmetic number, because the mean of its divisors is an integer number (557550).

Almost surely, 2^4542890 is an apocalyptic number.

4542890 is a deficient number, since it is larger than the sum of its proper divisors (4377910).

4542890 is a wasteful number, since it uses less digits than its factorization.

4542890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41317.

The product of its (nonzero) digits is 11520, while the sum is 32.

The square root of 4542890 is about 2131.4056394783. The cubic root of 4542890 is about 165.6192220602.

The spelling of 4542890 in words is "four million, five hundred forty-two thousand, eight hundred ninety".