16407044 has 6 divisors (see below), whose sum is σ = 28712334. Its totient is φ = 8203520.

The previous prime is 16407043. The next prime is 16407047. The reversal of 16407044 is 44070461.

It can be written as a sum of positive squares in only one way, i.e., 16000000 + 407044 = 4000^2 + 638^2 .

It is not an unprimeable number, because it can be changed into a prime (16407043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2050877 + ... + 2050884.

It is an arithmetic number, because the mean of its divisors is an integer number (4785389).

Almost surely, 2^16407044 is an apocalyptic number.

It is an amenable number.

16407044 is a deficient number, since it is larger than the sum of its proper divisors (12305290).

16407044 is a wasteful number, since it uses less digits than its factorization.

16407044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4101765 (or 4101763 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 26.

The square root of 16407044 is about 4050.5609488070. The cubic root of 16407044 is about 254.1031882802.

It can be divided in two parts, 16 and 407044, that multiplied together give a square (6512704 = 2552²).

The spelling of 16407044 in words is "sixteen million, four hundred seven thousand, forty-four".