16864485 has 32 divisors (see below), whose sum is σ = 29652480. Its totient is φ = 8116800.

The previous prime is 16864481. The next prime is 16864513. The reversal of 16864485 is 58446861.

It is not a de Polignac number, because 16864485 - 2² = 16864481 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16864481) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 29250 + ... + 29820.

It is an arithmetic number, because the mean of its divisors is an integer number (926640).

Almost surely, 2^16864485 is an apocalyptic number.

16864485 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

16864485 is a deficient number, since it is larger than the sum of its proper divisors (12787995).

16864485 is a wasteful number, since it uses less digits than its factorization.

16864485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 769.

The product of its digits is 184320, while the sum is 42.

The square root of 16864485 is about 4106.6391368125. The cubic root of 16864485 is about 256.4431056816.

The spelling of 16864485 in words is "sixteen million, eight hundred sixty-four thousand, four hundred eighty-five".