4492890 has 24 divisors (see below), whose sum is σ = 11681748. Its totient is φ = 1198080.

The previous prime is 4492877. The next prime is 4492919. The reversal of 4492890 is 982944.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 4397409 + 95481 = 2097^2 + 309^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 24871 + ... + 25050.

Almost surely, 2^4492890 is an apocalyptic number.

4492890 is an abundant number, since it is smaller than the sum of its proper divisors (7188858).

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

4492890 is a wasteful number, since it uses less digits than its factorization.

4492890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49934 (or 49931 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The square root of 4492890 is about 2119.6438380068. The cubic root of 4492890 is about 165.0093658595.

The spelling of 4492890 in words is "four million, four hundred ninety-two thousand, eight hundred ninety".