16464380 has 12 divisors (see below), whose sum is σ = 34575240. Its totient is φ = 6585744.

The previous prime is 16464367. The next prime is 16464401. The reversal of 16464380 is 8346461.

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 411590 + ... + 411629.

It is an arithmetic number, because the mean of its divisors is an integer number (2881270).

Almost surely, 2^16464380 is an apocalyptic number.

16464380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16464380 is an abundant number, since it is smaller than the sum of its proper divisors (18110860).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16464380 is a wasteful number, since it uses less digits than its factorization.

16464380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 823228 (or 823226 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 32.

The square root of 16464380 is about 4057.6323145401. The cubic root of 16464380 is about 254.3988401975.

The spelling of 16464380 in words is "sixteen million, four hundred sixty-four thousand, three hundred eighty".