16944434 has 32 divisors (see below), whose sum is σ = 28377216. Its totient is φ = 7539840.

The previous prime is 16944407. The next prime is 16944437. The reversal of 16944434 is 43444961.

It is a super-2 number, since 2×16944434² = 574227687160712, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 16944394 and 16944403.

It is not an unprimeable number, because it can be changed into a prime (16944437) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 123614 + ... + 123750.

It is an arithmetic number, because the mean of its divisors is an integer number (886788).

Almost surely, 2^16944434 is an apocalyptic number.

16944434 is a deficient number, since it is larger than the sum of its proper divisors (11432782).

16944434 is a wasteful number, since it uses less digits than its factorization.

16944434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 290.

The product of its digits is 41472, while the sum is 35.

The square root of 16944434 is about 4116.3617430930. The cubic root of 16944434 is about 256.8477045882.

The spelling of 16944434 in words is "sixteen million, nine hundred forty-four thousand, four hundred thirty-four".