840650601 has 16 divisors (see below), whose sum is σ = 1308248064. Its totient is φ = 470150544.

The previous prime is 840650599. The next prime is 840650627. The reversal of 840650601 is 106056048.

It is not a de Polignac number, because 840650601 - 2¹ = 840650599 is a prime.

It is a super-2 number, since 2×840650601² = 1413386865923322402, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (840650201) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 424875 + ... + 426848.

It is an arithmetic number, because the mean of its divisors is an integer number (81765504).

Almost surely, 2^840650601 is an apocalyptic number.

It is an amenable number.

840650601 is a deficient number, since it is larger than the sum of its proper divisors (467597463).

840650601 is a wasteful number, since it uses less digits than its factorization.

840650601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 851780.

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 840650601 is about 28993.9752534902. The cubic root of 840650601 is about 943.7823313281.

It can be divided in two parts, 84065060 and 1, that added together give a triangular number (84065061 = T₁₂₉₆₆).

The spelling of 840650601 in words is "eight hundred forty million, six hundred fifty thousand, six hundred one".