235297980 has 192 divisors, whose sum is σ = 763822080. Its totient is φ = 60092928.

The previous prime is 235297963. The next prime is 235297999. The reversal of 235297980 is 89792532.

235297980 is digitally balanced in base 2, 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 (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1852677 + ... + 1852803.

It is an arithmetic number, because the mean of its divisors is an integer number (3978240).

Almost surely, 2^235297980 is an apocalyptic number.

235297980 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 235297980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (381911040).

235297980 is an abundant number, since it is smaller than the sum of its proper divisors (528524100).

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

235297980 is a wasteful number, since it uses less digits than its factorization.

235297980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 265 (or 257 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 45.

The square root of 235297980 is about 15339.4256737337. The cubic root of 235297980 is about 617.3612969569.

The spelling of 235297980 in words is "two hundred thirty-five million, two hundred ninety-seven thousand, nine hundred eighty".