16870424 has 16 divisors (see below), whose sum is σ = 31794000. Its totient is φ = 8392032.

The previous prime is 16870421. The next prime is 16870429. The reversal of 16870424 is 42407861.

It is a super-2 number, since 2×16870424² = 569222411879552, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16870421) 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, 3707 + ... + 6890.

It is an arithmetic number, because the mean of its divisors is an integer number (1987125).

Almost surely, 2^16870424 is an apocalyptic number.

It is an amenable number.

16870424 is a deficient number, since it is larger than the sum of its proper divisors (14923576).

16870424 is a wasteful number, since it uses less digits than its factorization.

16870424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10802 (or 10798 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 32.

The square root of 16870424 is about 4107.3621705421. The cubic root of 16870424 is about 256.4732051650.

The spelling of 16870424 in words is "sixteen million, eight hundred seventy thousand, four hundred twenty-four".