16279420 has 12 divisors (see below), whose sum is σ = 34186824. Its totient is φ = 6511760.

The previous prime is 16279399. The next prime is 16279429. The reversal of 16279420 is 2497261.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16279429) 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, 406966 + ... + 407005.

It is an arithmetic number, because the mean of its divisors is an integer number (2848902).

Almost surely, 2^16279420 is an apocalyptic number.

16279420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16279420 is an abundant number, since it is smaller than the sum of its proper divisors (17907404).

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

16279420 is a wasteful number, since it uses less digits than its factorization.

16279420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 813980 (or 813978 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 16279420 is about 4034.7763258947. The cubic root of 16279420 is about 253.4426159781.

The spelling of 16279420 in words is "sixteen million, two hundred seventy-nine thousand, four hundred twenty".