63235890 has 96 divisors (see below), whose sum is σ = 174073536. Its totient is φ = 16511040.

The previous prime is 63235859. The next prime is 63235891. The reversal of 63235890 is 9853236.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63235891) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 128545 + ... + 129035.

It is an arithmetic number, because the mean of its divisors is an integer number (1813266).

Almost surely, 2^63235890 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 63235890, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (87036768).

63235890 is an abundant number, since it is smaller than the sum of its proper divisors (110837646).

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

63235890 is a wasteful number, since it uses less digits than its factorization.

63235890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 566 (or 554 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 36.

The square root of 63235890 is about 7952.0997227147. The cubic root of 63235890 is about 398.4017264768.

The spelling of 63235890 in words is "sixty-three million, two hundred thirty-five thousand, eight hundred ninety".