16478238 has 16 divisors (see below), whose sum is σ = 37664640. Its totient is φ = 4708056.

The previous prime is 16478237. The next prime is 16478243. The reversal of 16478238 is 83287461.

It is a junction number, because it is equal to n+sod(n) for n = 16478196 and 16478205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16478233) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 196128 + ... + 196211.

It is an arithmetic number, because the mean of its divisors is an integer number (2354040).

Almost surely, 2^16478238 is an apocalyptic number.

16478238 is an abundant number, since it is smaller than the sum of its proper divisors (21186402).

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

16478238 is a wasteful number, since it uses less digits than its factorization.

16478238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 392351.

The product of its digits is 64512, while the sum is 39.

The square root of 16478238 is about 4059.3396014623. The cubic root of 16478238 is about 254.4701956624.

The spelling of 16478238 in words is "sixteen million, four hundred seventy-eight thousand, two hundred thirty-eight".