16028398 has 4 divisors (see below), whose sum is σ = 24042600. Its totient is φ = 8014198.

The previous prime is 16028359. The next prime is 16028407. The reversal of 16028398 is 89382061.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4007098 + ... + 4007101.

It is an arithmetic number, because the mean of its divisors is an integer number (6010650).

Almost surely, 2^16028398 is an apocalyptic number.

16028398 is a deficient number, since it is larger than the sum of its proper divisors (8014202).

16028398 is an equidigital number, since it uses as much as digits as its factorization.

16028398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8014201.

The product of its (nonzero) digits is 20736, while the sum is 37.

The square root of 16028398 is about 4003.5481763056. The cubic root of 16028398 is about 252.1332020245.

It can be divided in two parts, 1602 and 8398, that added together give a 4-th power (10000 = 10⁴).

The spelling of 16028398 in words is "sixteen million, twenty-eight thousand, three hundred ninety-eight".