7841601 has 6 divisors (see below), whose sum is σ = 11326770. Its totient is φ = 5227728.

The previous prime is 7841599. The next prime is 7841627. The reversal of 7841601 is 1061487.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 7160976 + 680625 = 2676^2 + 825^2 .

It is not a de Polignac number, because 7841601 - 2¹ = 7841599 is a prime.

It is a super-2 number, since 2×7841601² = 122981412486402, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (7841651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 435636 + ... + 435653.

It is an arithmetic number, because the mean of its divisors is an integer number (1887795).

Almost surely, 2^7841601 is an apocalyptic number.

It is an amenable number.

7841601 is a deficient number, since it is larger than the sum of its proper divisors (3485169).

7841601 is a wasteful number, since it uses less digits than its factorization.

7841601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 871295 (or 871292 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 27.

The square root of 7841601 is about 2800.2858782631. The cubic root of 7841601 is about 198.6711993295.

It can be divided in two parts, 78 and 41601, that multiplied together give a triangular number (3244878 = T₂₅₄₇).

The spelling of 7841601 in words is "seven million, eight hundred forty-one thousand, six hundred one".