235220490 has 64 divisors (see below), whose sum is σ = 630115200. Its totient is φ = 62439552.

The previous prime is 235220459. The next prime is 235220501. The reversal of 235220490 is 94022532.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 61041 + ... + 64779.

It is an arithmetic number, because the mean of its divisors is an integer number (9845550).

Almost surely, 2^235220490 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 235220490, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (315057600).

235220490 is an abundant number, since it is smaller than the sum of its proper divisors (394894710).

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

235220490 is a wasteful number, since it uses less digits than its factorization.

235220490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3988 (or 3982 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 235220490 is about 15336.8996215011. The cubic root of 235220490 is about 617.2935182486.

The spelling of 235220490 in words is "two hundred thirty-five million, two hundred twenty thousand, four hundred ninety".