8495409 has 16 divisors (see below), whose sum is σ = 12401984. Its totient is φ = 5140800.

The previous prime is 8495407. The next prime is 8495429. The reversal of 8495409 is 9045948.

It is not a de Polignac number, because 8495409 - 2¹ = 8495407 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8495407) 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, 594 + ... + 4164.

It is an arithmetic number, because the mean of its divisors is an integer number (775124).

Almost surely, 2^8495409 is an apocalyptic number.

It is an amenable number.

8495409 is a deficient number, since it is larger than the sum of its proper divisors (3906575).

8495409 is a wasteful number, since it uses less digits than its factorization.

8495409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3648.

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

The square root of 8495409 is about 2914.6884910741. The cubic root of 8495409 is about 204.0460055796.

The spelling of 8495409 in words is "eight million, four hundred ninety-five thousand, four hundred nine".