16340917 has 4 divisors (see below), whose sum is σ = 16382476. Its totient is φ = 16299360.

The previous prime is 16340899. The next prime is 16340983. The reversal of 16340917 is 71904361.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 11350161 + 4990756 = 3369^2 + 2234^2 .

It is a cyclic number.

It is not a de Polignac number, because 16340917 - 2⁷ = 16340789 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16340117) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20184 + ... + 20977.

It is an arithmetic number, because the mean of its divisors is an integer number (4095619).

Almost surely, 2^16340917 is an apocalyptic number.

It is an amenable number.

16340917 is a deficient number, since it is larger than the sum of its proper divisors (41559).

16340917 is an equidigital number, since it uses as much as digits as its factorization.

16340917 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41558.

The product of its (nonzero) digits is 4536, while the sum is 31.

The square root of 16340917 is about 4042.3900108723. The cubic root of 16340917 is about 253.7613491976.

The spelling of 16340917 in words is "sixteen million, three hundred forty thousand, nine hundred seventeen".