16476397 has 6 divisors (see below), whose sum is σ = 19166478. Its totient is φ = 14122584.

The previous prime is 16476391. The next prime is 16476403. The reversal of 16476397 is 79367461.

It is an interprime number because it is at equal distance from previous prime (16476391) and next prime (16476403).

It can be written as a sum of positive squares in only one way, i.e., 10055241 + 6421156 = 3171^2 + 2534^2 .

It is not a de Polignac number, because 16476397 - 2³ = 16476389 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 (16476391) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 168078 + ... + 168175.

It is an arithmetic number, because the mean of its divisors is an integer number (3194413).

Almost surely, 2^16476397 is an apocalyptic number.

It is an amenable number.

16476397 is a deficient number, since it is larger than the sum of its proper divisors (2690081).

16476397 is an equidigital number, since it uses as much as digits as its factorization.

16476397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 336267 (or 336260 counting only the distinct ones).

The product of its digits is 190512, while the sum is 43.

The square root of 16476397 is about 4059.1128341055. The cubic root of 16476397 is about 254.4607185756.

The spelling of 16476397 in words is "sixteen million, four hundred seventy-six thousand, three hundred ninety-seven".