16457384 has 16 divisors (see below), whose sum is σ = 31922100. Its totient is φ = 7944832.

The previous prime is 16457383. The next prime is 16457387. The reversal of 16457384 is 48375461.

It can be written as a sum of positive squares in 2 ways, for example, as 16176484 + 280900 = 4022^2 + 530^2 .

It is not an unprimeable number, because it can be changed into a prime (16457383) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35237 + ... + 35700.

Almost surely, 2^16457384 is an apocalyptic number.

It is an amenable number.

16457384 is a deficient number, since it is larger than the sum of its proper divisors (15464716).

16457384 is a wasteful number, since it uses less digits than its factorization.

16457384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70972 (or 70968 counting only the distinct ones).

The product of its digits is 80640, while the sum is 38.

The square root of 16457384 is about 4056.7701438460. The cubic root of 16457384 is about 254.3628022693.

The spelling of 16457384 in words is "sixteen million, four hundred fifty-seven thousand, three hundred eighty-four".