237388242 has 128 divisors (see below), whose sum is σ = 628992000. Its totient is φ = 59185728.

The previous prime is 237388241. The next prime is 237388243. The reversal of 237388242 is 242883732.

It is an interprime number because it is at equal distance from previous prime (237388241) and next prime (237388243).

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a zygodrome in base 11.

It is a self number, because there is not a number n which added to its sum of digits gives 237388242.

It is not an unprimeable number, because it can be changed into a prime (237388241) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 508093 + ... + 508559.

It is an arithmetic number, because the mean of its divisors is an integer number (4914000).

Almost surely, 2^237388242 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 237388242, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (314496000).

237388242 is an abundant number, since it is smaller than the sum of its proper divisors (391603758).

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

237388242 is a wasteful number, since it uses less digits than its factorization.

237388242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 525 (or 511 counting only the distinct ones).

The product of its digits is 129024, while the sum is 39.

The square root of 237388242 is about 15407.4086724537. The cubic root of 237388242 is about 619.1840132600.

The spelling of 237388242 in words is "two hundred thirty-seven million, three hundred eighty-eight thousand, two hundred forty-two".