389502046 has 4 divisors (see below), whose sum is σ = 584253072. Its totient is φ = 194751022.

The previous prime is 389502037. The next prime is 389502059. The reversal of 389502046 is 640205983.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 640205983 = 2357 ⋅271619.

It is a super-2 number, since 2×389502046² = 303423687676372232, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 389501996 and 389502014.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 97375510 + ... + 97375513.

It is an arithmetic number, because the mean of its divisors is an integer number (146063268).

Almost surely, 2^389502046 is an apocalyptic number.

389502046 is a deficient number, since it is larger than the sum of its proper divisors (194751026).

389502046 is a wasteful number, since it uses less digits than its factorization.

389502046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194751025.

The product of its (nonzero) digits is 51840, while the sum is 37.

The square root of 389502046 is about 19735.8061907792. The cubic root of 389502046 is about 730.3032742517.

The spelling of 389502046 in words is "three hundred eighty-nine million, five hundred two thousand, forty-six".