389276029 has 4 divisors (see below), whose sum is σ = 389452284. Its totient is φ = 389099776.

The previous prime is 389276023. The next prime is 389276071. The reversal of 389276029 is 920672983.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 920672983 = 23581 ⋅39043.

It can be written as a sum of positive squares in 2 ways, for example, as 353252025 + 36024004 = 18795^2 + 6002^2 .

It is a cyclic number.

It is not a de Polignac number, because 389276029 - 2¹¹ = 389273981 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 389276029.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (389276023) 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, 84772 + ... + 89245.

It is an arithmetic number, because the mean of its divisors is an integer number (97363071).

Almost surely, 2^389276029 is an apocalyptic number.

It is an amenable number.

389276029 is a deficient number, since it is larger than the sum of its proper divisors (176255).

389276029 is a wasteful number, since it uses less digits than its factorization.

389276029 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176254.

The product of its (nonzero) digits is 326592, while the sum is 46.

The square root of 389276029 is about 19730.0792953298. The cubic root of 389276029 is about 730.1619888217.

The spelling of 389276029 in words is "three hundred eighty-nine million, two hundred seventy-six thousand, twenty-nine".