388243098 has 32 divisors (see below), whose sum is σ = 872467200. Its totient is φ = 127958688.

The previous prime is 388243081. The next prime is 388243117. The reversal of 388243098 is 890342883.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35586 + ... + 45197.

It is an arithmetic number, because the mean of its divisors is an integer number (27264600).

Almost surely, 2^388243098 is an apocalyptic number.

388243098 is an abundant number, since it is smaller than the sum of its proper divisors (484224102).

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

388243098 is a wasteful number, since it uses less digits than its factorization.

388243098 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80883 (or 80877 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 45.

The square root of 388243098 is about 19703.8853528942. The cubic root of 388243098 is about 729.5155965706.

The spelling of 388243098 in words is "three hundred eighty-eight million, two hundred forty-three thousand, ninety-eight".