238253620 has 24 divisors (see below), whose sum is σ = 545817888. Its totient is φ = 86637600.

The previous prime is 238253599. The next prime is 238253621. The reversal of 238253620 is 26352832.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (238253621) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 541266 + ... + 541705.

It is an arithmetic number, because the mean of its divisors is an integer number (22742412).

Almost surely, 2^238253620 is an apocalyptic number.

238253620 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

238253620 is an abundant number, since it is smaller than the sum of its proper divisors (307564268).

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

238253620 is a wasteful number, since it uses less digits than its factorization.

238253620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1082991 (or 1082989 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 31.

The square root of 238253620 is about 15435.4663032900. The cubic root of 238253620 is about 619.9354945030.

The spelling of 238253620 in words is "two hundred thirty-eight million, two hundred fifty-three thousand, six hundred twenty".