8406261 has 20 divisors (see below), whose sum is σ = 12777600. Its totient is φ = 5506056.

The previous prime is 8406253. The next prime is 8406283. The reversal of 8406261 is 1626048.

It is not a de Polignac number, because 8406261 - 2³ = 8406253 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8406221) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 3900 + ... + 5658.

It is an arithmetic number, because the mean of its divisors is an integer number (638880).

Almost surely, 2^8406261 is an apocalyptic number.

8406261 is a gapful number since it is divisible by the number (81) formed by its first and last digit.

It is an amenable number.

8406261 is a deficient number, since it is larger than the sum of its proper divisors (4371339).

8406261 is a wasteful number, since it uses less digits than its factorization.

8406261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1830 (or 1821 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 8406261 is about 2899.3552731599. The cubic root of 8406261 is about 203.3297640390.

The spelling of 8406261 in words is "eight million, four hundred six thousand, two hundred sixty-one".