16454404 has 6 divisors (see below), whose sum is σ = 28795214. Its totient is φ = 8227200.

The previous prime is 16454387. The next prime is 16454429. The reversal of 16454404 is 40445461.

It can be written as a sum of positive squares in only one way, i.e., 10549504 + 5904900 = 3248^2 + 2430^2 .

It is an unprimeable number.

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, 2056797 + ... + 2056804.

Almost surely, 2^16454404 is an apocalyptic number.

It is an amenable number.

16454404 is a deficient number, since it is larger than the sum of its proper divisors (12340810).

16454404 is a wasteful number, since it uses less digits than its factorization.

16454404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4113605 (or 4113603 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 28.

The square root of 16454404 is about 4056.4028399556. The cubic root of 16454404 is about 254.3474485350.

Adding to 16454404 its reverse (40445461), we get a palindrome (56899865).

The spelling of 16454404 in words is "sixteen million, four hundred fifty-four thousand, four hundred four".