243629001 has 48 divisors (see below), whose sum is σ = 461859840. Its totient is φ = 119892960.

The previous prime is 243628999. The next prime is 243629027. The reversal of 243629001 is 100926342.

It is not a de Polignac number, because 243629001 - 2¹ = 243628999 is a prime.

It is not an unprimeable number, because it can be changed into a prime (243629051) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3916 + ... + 22418.

It is an arithmetic number, because the mean of its divisors is an integer number (9622080).

Almost surely, 2^243629001 is an apocalyptic number.

243629001 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

243629001 is a deficient number, since it is larger than the sum of its proper divisors (218230839).

243629001 is a wasteful number, since it uses less digits than its factorization.

243629001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18546 (or 18543 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 243629001 is about 15608.6194456781. The cubic root of 243629001 is about 624.5631088596.

It can be divided in two parts, 24 and 3629001, that added together give a square (3629025 = 1905²).

The spelling of 243629001 in words is "two hundred forty-three million, six hundred twenty-nine thousand, one".