8461965 has 16 divisors (see below), whose sum is σ = 13673088. Its totient is φ = 4468416.

The previous prime is 8461961. The next prime is 8461979. The reversal of 8461965 is 5691648.

It is not a de Polignac number, because 8461965 - 2² = 8461961 is a prime.

It is a super-2 number, since 2×8461965² = 143209703322450, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8461961) 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, 1194 + ... + 4283.

It is an arithmetic number, because the mean of its divisors is an integer number (854568).

Almost surely, 2^8461965 is an apocalyptic number.

It is an amenable number.

8461965 is a deficient number, since it is larger than the sum of its proper divisors (5211123).

8461965 is a wasteful number, since it uses less digits than its factorization.

8461965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5588.

The product of its digits is 51840, while the sum is 39.

The square root of 8461965 is about 2908.9456852956. The cubic root of 8461965 is about 203.7778964903. Note that the first 3 decimals are identical.

The spelling of 8461965 in words is "eight million, four hundred sixty-one thousand, nine hundred sixty-five".