7899441 has 16 divisors (see below), whose sum is σ = 12166848. Its totient is φ = 4505600.

The previous prime is 7899413. The next prime is 7899443. The reversal of 7899441 is 1449987.

It is not a de Polignac number, because 7899441 - 2⁹ = 7898929 is a prime.

It is a super-2 number, since 2×7899441² = 124802336224962, which contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 7899393 and 7899402.

It is not an unprimeable number, because it can be changed into a prime (7899443) 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, 6480 + ... + 7601.

It is an arithmetic number, because the mean of its divisors is an integer number (760428).

Almost surely, 2^7899441 is an apocalyptic number.

It is an amenable number.

7899441 is a deficient number, since it is larger than the sum of its proper divisors (4267407).

7899441 is a wasteful number, since it uses less digits than its factorization.

7899441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14112.

The product of its digits is 72576, while the sum is 42.

The square root of 7899441 is about 2810.5944211145. The cubic root of 7899441 is about 199.1584724565.

The spelling of 7899441 in words is "seven million, eight hundred ninety-nine thousand, four hundred forty-one".