385869698 has 4 divisors (see below), whose sum is σ = 578804550. Its totient is φ = 192934848.

The previous prime is 385869697. The next prime is 385869719. The reversal of 385869698 is 896968583.

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

It can be written as a sum of positive squares in only one way, i.e., 321018889 + 64850809 = 17917^2 + 8053^2 .

It is a super-2 number, since 2×385869698² = 297790847669222408, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 385869698.

It is not an unprimeable number, because it can be changed into a prime (385869697) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 96467423 + ... + 96467426.

Almost surely, 2^385869698 is an apocalyptic number.

385869698 is a deficient number, since it is larger than the sum of its proper divisors (192934852).

385869698 is a wasteful number, since it uses less digits than its factorization.

385869698 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192934851.

The product of its digits is 22394880, while the sum is 62.

The square root of 385869698 is about 19643.5663258992. The cubic root of 385869698 is about 728.0260036298.

It can be divided in two parts, 38586 and 9698, that added together give a palindrome (48284).

The spelling of 385869698 in words is "three hundred eighty-five million, eight hundred sixty-nine thousand, six hundred ninety-eight".