102853438 has 4 divisors (see below), whose sum is σ = 154280160. Its totient is φ = 51426718.

The previous prime is 102853433. The next prime is 102853477. The reversal of 102853438 is 834358201.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102853433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25713358 + ... + 25713361.

It is an arithmetic number, because the mean of its divisors is an integer number (38570040).

Almost surely, 2^102853438 is an apocalyptic number.

102853438 is a deficient number, since it is larger than the sum of its proper divisors (51426722).

102853438 is an equidigital number, since it uses as much as digits as its factorization.

102853438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51426721.

The product of its (nonzero) digits is 23040, while the sum is 34.

The square root of 102853438 is about 10141.6684031771. The cubic root of 102853438 is about 468.5323738111.

The spelling of 102853438 in words is "one hundred two million, eight hundred fifty-three thousand, four hundred thirty-eight".