16459420 has 12 divisors (see below), whose sum is σ = 34564824. Its totient is φ = 6583760.

The previous prime is 16459403. The next prime is 16459423. The reversal of 16459420 is 2495461.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16459423) 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, 411466 + ... + 411505.

It is an arithmetic number, because the mean of its divisors is an integer number (2880402).

Almost surely, 2^16459420 is an apocalyptic number.

16459420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16459420 is an abundant number, since it is smaller than the sum of its proper divisors (18105404).

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

16459420 is a wasteful number, since it uses less digits than its factorization.

16459420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 822980 (or 822978 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 16459420 is about 4057.0210746310. The cubic root of 16459420 is about 254.3732912047.

The spelling of 16459420 in words is "sixteen million, four hundred fifty-nine thousand, four hundred twenty".