16797870 has 48 divisors (see below), whose sum is σ = 46247760. Its totient is φ = 4215552.

The previous prime is 16797863. The next prime is 16797871. The reversal of 16797870 is 7879761.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16797871) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3960 + ... + 7019.

It is an arithmetic number, because the mean of its divisors is an integer number (963495).

Almost surely, 2^16797870 is an apocalyptic number.

16797870 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16797870 is an abundant number, since it is smaller than the sum of its proper divisors (29449890).

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

16797870 is a wasteful number, since it uses less digits than its factorization.

16797870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11009 (or 11006 counting only the distinct ones).

The product of its (nonzero) digits is 148176, while the sum is 45.

The square root of 16797870 is about 4098.5204647531. The cubic root of 16797870 is about 256.1050085971.

The spelling of 16797870 in words is "sixteen million, seven hundred ninety-seven thousand, eight hundred seventy".