16390476 has 18 divisors (see below), whose sum is σ = 41431572. Its totient is φ = 5463480.

The previous prime is 16390469. The next prime is 16390477. The reversal of 16390476 is 67409361.

16390476 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 455291 = 16390476 / (1 + 6 + 3 + 9 + 0 + 4 + 7 + 6).

It is a self number, because there is not a number n which added to its sum of digits gives 16390476.

It is not an unprimeable number, because it can be changed into a prime (16390477) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 227610 + ... + 227681.

It is an arithmetic number, because the mean of its divisors is an integer number (2301754).

Almost surely, 2^16390476 is an apocalyptic number.

It is an amenable number.

16390476 is an abundant number, since it is smaller than the sum of its proper divisors (25041096).

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

16390476 is a wasteful number, since it uses less digits than its factorization.

16390476 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 455301 (or 455296 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 36.

The square root of 16390476 is about 4048.5152834095. The cubic root of 16390476 is about 254.0176274786.

The spelling of 16390476 in words is "sixteen million, three hundred ninety thousand, four hundred seventy-six".