389099953 has 4 divisors (see below), whose sum is σ = 424472688. Its totient is φ = 353727220.

The previous prime is 389099923. The next prime is 389099957. The reversal of 389099953 is 359990983.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 359990983 = 11 ⋅32726453.

It is not a de Polignac number, because 389099953 - 2²⁵ = 355545521 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 389099894 and 389099903.

It is not an unprimeable number, because it can be changed into a prime (389099957) 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, 17686351 + ... + 17686372.

It is an arithmetic number, because the mean of its divisors is an integer number (106118172).

Almost surely, 2^389099953 is an apocalyptic number.

It is an amenable number.

389099953 is a deficient number, since it is larger than the sum of its proper divisors (35372735).

389099953 is a wasteful number, since it uses less digits than its factorization.

389099953 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35372734.

The product of its (nonzero) digits is 2361960, while the sum is 55.

The square root of 389099953 is about 19725.6166697014. The cubic root of 389099953 is about 730.0518840961.

The spelling of 389099953 in words is "three hundred eighty-nine million, ninety-nine thousand, nine hundred fifty-three".