784398241 has 8 divisors (see below), whose sum is σ = 906043104. Its totient is φ = 671142720.

The previous prime is 784398221. The next prime is 784398247. The reversal of 784398241 is 142893487.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 784398241 - 2¹⁵ = 784365473 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 784398191 and 784398200.

It is not an unprimeable number, because it can be changed into a prime (784398247) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2097135 + ... + 2097508.

It is an arithmetic number, because the mean of its divisors is an integer number (113255388).

Almost surely, 2^784398241 is an apocalyptic number.

It is an amenable number.

784398241 is a deficient number, since it is larger than the sum of its proper divisors (121644863).

784398241 is a wasteful number, since it uses less digits than its factorization.

784398241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4194671.

The product of its digits is 387072, while the sum is 46.

The square root of 784398241 is about 28007.1105435745. The cubic root of 784398241 is about 922.2433599393.

The spelling of 784398241 in words is "seven hundred eighty-four million, three hundred ninety-eight thousand, two hundred forty-one".