16306397 has 8 divisors (see below), whose sum is σ = 16759680. Its totient is φ = 15855840.

The previous prime is 16306373. The next prime is 16306447. The reversal of 16306397 is 79360361.

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 16306397 - 2¹² = 16302301 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 (16306897) 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, 18554 + ... + 19412.

It is an arithmetic number, because the mean of its divisors is an integer number (2094960).

Almost surely, 2^16306397 is an apocalyptic number.

It is an amenable number.

16306397 is a deficient number, since it is larger than the sum of its proper divisors (453283).

16306397 is an equidigital number, since it uses as much as digits as its factorization.

16306397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1363.

The product of its (nonzero) digits is 20412, while the sum is 35.

The square root of 16306397 is about 4038.1180022382. The cubic root of 16306397 is about 253.5825339087.

The spelling of 16306397 in words is "sixteen million, three hundred six thousand, three hundred ninety-seven".