16447396 has 24 divisors (see below), whose sum is σ = 33699456. Its totient is φ = 6876480.

The previous prime is 16447393. The next prime is 16447427. The reversal of 16447396 is 69374461.

It is not an unprimeable number, because it can be changed into a prime (16447393) 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, 6016 + ... + 8311.

It is an arithmetic number, because the mean of its divisors is an integer number (1404144).

Almost surely, 2^16447396 is an apocalyptic number.

It is an amenable number.

16447396 is an abundant number, since it is smaller than the sum of its proper divisors (17252060).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16447396 is a wasteful number, since it uses less digits than its factorization.

16447396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14379 (or 14377 counting only the distinct ones).

The product of its digits is 108864, while the sum is 40.

The square root of 16447396 is about 4055.5389284286. The cubic root of 16447396 is about 254.3113341907.

It can be divided in two parts, 164 and 47396, that multiplied together give a square (7772944 = 2788²).

The spelling of 16447396 in words is "sixteen million, four hundred forty-seven thousand, three hundred ninety-six".