238940268 has 36 divisors (see below), whose sum is σ = 648553752. Its totient is φ = 68268480.

The previous prime is 238940267. The next prime is 238940269. The reversal of 238940268 is 862049832.

It is an interprime number because it is at equal distance from previous prime (238940267) and next prime (238940269).

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (238940267) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 202593 + ... + 203768.

It is an arithmetic number, because the mean of its divisors is an integer number (18015382).

Almost surely, 2^238940268 is an apocalyptic number.

238940268 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

238940268 is an abundant number, since it is smaller than the sum of its proper divisors (409613484).

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

238940268 is a wasteful number, since it uses less digits than its factorization.

238940268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 406382 (or 406373 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 42.

The square root of 238940268 is about 15457.6928420770. The cubic root of 238940268 is about 620.5304755798.

It can be divided in two parts, 238 and 940268, that added together give a triangular number (940506 = T₁₃₇₁).

The spelling of 238940268 in words is "two hundred thirty-eight million, nine hundred forty thousand, two hundred sixty-eight".