4240890 has 64 divisors (see below), whose sum is σ = 11491200. Its totient is φ = 1112832.

The previous prime is 4240853. The next prime is 4240909. The reversal of 4240890 is 980424.

4240890 = 101² + 102² + ... + 239².

4240890 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an Ulam number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 30441 + ... + 30579.

It is an arithmetic number, because the mean of its divisors is an integer number (179550).

Almost surely, 2^4240890 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4240890, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5745600).

4240890 is an abundant number, since it is smaller than the sum of its proper divisors (7250310).

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

4240890 is a wasteful number, since it uses less digits than its factorization.

4240890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 268 (or 262 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 4240890 is about 2059.3421279622. The cubic root of 4240890 is about 161.8647705506.

The spelling of 4240890 in words is "four million, two hundred forty thousand, eight hundred ninety".