403238088 has 192 divisors, whose sum is σ = 1254052800. Its totient is φ = 120372480.

The previous prime is 403238071. The next prime is 403238089. The reversal of 403238088 is 880832304.

It is a happy number.

It is a super-2 number, since 2×403238088² = 325201911227791488, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (403238089) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 2330770 + ... + 2330942.

It is an arithmetic number, because the mean of its divisors is an integer number (6531525).

Almost surely, 2^403238088 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 403238088, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (627026400).

403238088 is an abundant number, since it is smaller than the sum of its proper divisors (850814712).

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

403238088 is a wasteful number, since it uses less digits than its factorization.

403238088 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 314 (or 298 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 36.

The square root of 403238088 is about 20080.7890283226. The cubic root of 403238088 is about 738.7891617777.

The spelling of 403238088 in words is "four hundred three million, two hundred thirty-eight thousand, eighty-eight".