8401161 has 8 divisors (see below), whose sum is σ = 11287584. Its totient is φ = 5557760.

The previous prime is 8401157. The next prime is 8401193. The reversal of 8401161 is 1611048.

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 8401161 - 2² = 8401157 is a prime.

It is a super-2 number, since 2×8401161² = 141159012295842, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (8401121) 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, 10296 + ... + 11081.

It is an arithmetic number, because the mean of its divisors is an integer number (1410948).

Almost surely, 2^8401161 is an apocalyptic number.

It is an amenable number.

8401161 is a deficient number, since it is larger than the sum of its proper divisors (2886423).

8401161 is a wasteful number, since it uses less digits than its factorization.

8401161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21511.

The product of its (nonzero) digits is 192, while the sum is 21.

The square root of 8401161 is about 2898.4756338462. The cubic root of 8401161 is about 203.2886362980.

The spelling of 8401161 in words is "eight million, four hundred one thousand, one hundred sixty-one".