16797428 has 24 divisors (see below), whose sum is σ = 31259592. Its totient is φ = 7870464.

The previous prime is 16797427. The next prime is 16797439. The reversal of 16797428 is 82479761.

It can be written as a sum of positive squares in 4 ways, for example, as 7628644 + 9168784 = 2762^2 + 3028^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16797427) 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, 22550 + ... + 23282.

It is an arithmetic number, because the mean of its divisors is an integer number (1302483).

Almost surely, 2^16797428 is an apocalyptic number.

It is an amenable number.

16797428 is a deficient number, since it is larger than the sum of its proper divisors (14462164).

16797428 is a wasteful number, since it uses less digits than its factorization.

16797428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1091 (or 1089 counting only the distinct ones).

The product of its digits is 169344, while the sum is 44.

The square root of 16797428 is about 4098.4665425010. The cubic root of 16797428 is about 256.1027622923.

The spelling of 16797428 in words is "sixteen million, seven hundred ninety-seven thousand, four hundred twenty-eight".