16219934 has 4 divisors (see below), whose sum is σ = 24329904. Its totient is φ = 8109966.

The previous prime is 16219933. The next prime is 16219981. The reversal of 16219934 is 43991261.

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

It is a junction number, because it is equal to n+sod(n) for n = 16219894 and 16219903.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16219933) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4054982 + ... + 4054985.

It is an arithmetic number, because the mean of its divisors is an integer number (6082476).

Almost surely, 2^16219934 is an apocalyptic number.

16219934 is a deficient number, since it is larger than the sum of its proper divisors (8109970).

16219934 is an equidigital number, since it uses as much as digits as its factorization.

16219934 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8109969.

The product of its digits is 11664, while the sum is 35.

The square root of 16219934 is about 4027.3979192526. The cubic root of 16219934 is about 253.1335409200.

The spelling of 16219934 in words is "sixteen million, two hundred nineteen thousand, nine hundred thirty-four".