388899274 has 8 divisors (see below), whose sum is σ = 583469280. Its totient is φ = 194409516.

The previous prime is 388899271. The next prime is 388899281. The reversal of 388899274 is 472998883.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (388899271) 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, 5964 + ... + 28519.

It is an arithmetic number, because the mean of its divisors is an integer number (72933660).

Almost surely, 2^388899274 is an apocalyptic number.

388899274 is a deficient number, since it is larger than the sum of its proper divisors (194570006).

388899274 is a wasteful number, since it uses less digits than its factorization.

388899274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40124.

The product of its digits is 6967296, while the sum is 58.

The square root of 388899274 is about 19720.5292525328. The cubic root of 388899274 is about 729.9263539891.

The spelling of 388899274 in words is "three hundred eighty-eight million, eight hundred ninety-nine thousand, two hundred seventy-four".