238253401 has 4 divisors (see below), whose sum is σ = 238414900. Its totient is φ = 238091904.

The previous prime is 238253371. The next prime is 238253417. The reversal of 238253401 is 104352832.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 172659600 + 65593801 = 13140^2 + 8099^2 .

It is a cyclic number.

It is not a de Polignac number, because 238253401 - 2¹¹ = 238251353 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 238253401.

It is not an unprimeable number, because it can be changed into a prime (238253461) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 78516 + ... + 81493.

It is an arithmetic number, because the mean of its divisors is an integer number (59603725).

Almost surely, 2^238253401 is an apocalyptic number.

It is an amenable number.

238253401 is a deficient number, since it is larger than the sum of its proper divisors (161499).

238253401 is a wasteful number, since it uses less digits than its factorization.

238253401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161498.

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 238253401 is about 15435.4592092364. The cubic root of 238253401 is about 619.9353045571.

The spelling of 238253401 in words is "two hundred thirty-eight million, two hundred fifty-three thousand, four hundred one".