16420894 has 8 divisors (see below), whose sum is σ = 28150128. Its totient is φ = 7037520.

The previous prime is 16420891. The next prime is 16420897. The reversal of 16420894 is 49802461.

16420894 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (16420891) and next prime (16420897).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16420891) 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, 586447 + ... + 586474.

It is an arithmetic number, because the mean of its divisors is an integer number (3518766).

Almost surely, 2^16420894 is an apocalyptic number.

16420894 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

16420894 is a deficient number, since it is larger than the sum of its proper divisors (11729234).

16420894 is a wasteful number, since it uses less digits than its factorization.

16420894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1172930.

The product of its (nonzero) digits is 13824, while the sum is 34.

The square root of 16420894 is about 4052.2702279093. The cubic root of 16420894 is about 254.1746685408.

The spelling of 16420894 in words is "sixteen million, four hundred twenty thousand, eight hundred ninety-four".