16340446 has 4 divisors (see below), whose sum is σ = 24510672. Its totient is φ = 8170222.

The previous prime is 16340411. The next prime is 16340479. The reversal of 16340446 is 64404361.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 64404361 = 7 ⋅9200623.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4085110 + ... + 4085113.

It is an arithmetic number, because the mean of its divisors is an integer number (6127668).

Almost surely, 2^16340446 is an apocalyptic number.

16340446 is a deficient number, since it is larger than the sum of its proper divisors (8170226).

16340446 is an equidigital number, since it uses as much as digits as its factorization.

16340446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8170225.

The product of its (nonzero) digits is 6912, while the sum is 28.

The square root of 16340446 is about 4042.3317528377. The cubic root of 16340446 is about 253.7589110899.

The spelling of 16340446 in words is "sixteen million, three hundred forty thousand, four hundred forty-six".