840627241 has 8 divisors (see below), whose sum is σ = 889989120. Its totient is φ = 791777232.

The previous prime is 840627233. The next prime is 840627247. The reversal of 840627241 is 142726048.

It is a happy number.

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 840627241 - 2³ = 840627233 is a prime.

It is a super-2 number, since 2×840627241² = 1413308316622544162, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 840627197 and 840627206.

It is not an unprimeable number, because it can be changed into a prime (840627247) 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, 124585 + ... + 131158.

It is an arithmetic number, because the mean of its divisors is an integer number (111248640).

Almost surely, 2^840627241 is an apocalyptic number.

It is an amenable number.

840627241 is a deficient number, since it is larger than the sum of its proper divisors (49361879).

840627241 is a wasteful number, since it uses less digits than its factorization.

840627241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 255935.

The product of its (nonzero) digits is 21504, while the sum is 34.

The square root of 840627241 is about 28993.5724083804. The cubic root of 840627241 is about 943.7735893056.

The spelling of 840627241 in words is "eight hundred forty million, six hundred twenty-seven thousand, two hundred forty-one".