16394620 has 24 divisors (see below), whose sum is σ = 37559088. Its totient is φ = 5961600.

The previous prime is 16394617. The next prime is 16394639. The reversal of 16394620 is 2649361.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37041 + ... + 37480.

It is an arithmetic number, because the mean of its divisors is an integer number (1564962).

Almost surely, 2^16394620 is an apocalyptic number.

16394620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16394620 is an abundant number, since it is smaller than the sum of its proper divisors (21164468).

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

16394620 is a wasteful number, since it uses less digits than its factorization.

16394620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74541 (or 74539 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 31.

The square root of 16394620 is about 4049.0270436242. The cubic root of 16394620 is about 254.0390334127.

The spelling of 16394620 in words is "sixteen million, three hundred ninety-four thousand, six hundred twenty".