232628447 has 4 divisors (see below), whose sum is σ = 235904976. Its totient is φ = 229351920.

The previous prime is 232628423. The next prime is 232628449. The reversal of 232628447 is 744826232.

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

It is a cyclic number.

It is not a de Polignac number, because 232628447 - 2¹² = 232624351 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 232628447.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (232628449) 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, 1638158 + ... + 1638299.

It is an arithmetic number, because the mean of its divisors is an integer number (58976244).

Almost surely, 2^232628447 is an apocalyptic number.

232628447 is a deficient number, since it is larger than the sum of its proper divisors (3276529).

232628447 is an equidigital number, since it uses as much as digits as its factorization.

232628447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3276528.

The product of its digits is 129024, while the sum is 38.

The square root of 232628447 is about 15252.1620434612. The cubic root of 232628447 is about 615.0176891380.

The spelling of 232628447 in words is "two hundred thirty-two million, six hundred twenty-eight thousand, four hundred forty-seven".