240853890 has 16 divisors (see below), whose sum is σ = 578049408. Its totient is φ = 64227696.

The previous prime is 240853883. The next prime is 240853891. The reversal of 240853890 is 98358042.

It is a happy number.

It is a super-3 number, since 3×240853890³ (a number of 26 digits) contains 333 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (240853891) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4014202 + ... + 4014261.

It is an arithmetic number, because the mean of its divisors is an integer number (36128088).

Almost surely, 2^240853890 is an apocalyptic number.

240853890 is an abundant number, since it is smaller than the sum of its proper divisors (337195518).

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

240853890 is a wasteful number, since it uses less digits than its factorization.

240853890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8028473.

The product of its (nonzero) digits is 69120, while the sum is 39.

The square root of 240853890 is about 15519.4680965554. The cubic root of 240853890 is about 622.1826385084.

The spelling of 240853890 in words is "two hundred forty million, eight hundred fifty-three thousand, eight hundred ninety".