5921994 has 32 divisors (see below), whose sum is σ = 13313664. Its totient is φ = 1742400.

The previous prime is 5921989. The next prime is 5922013. The reversal of 5921994 is 4991295.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 144 + ... + 3444.

It is an arithmetic number, because the mean of its divisors is an integer number (416052).

Almost surely, 2^5921994 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5921994, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6656832).

5921994 is an abundant number, since it is smaller than the sum of its proper divisors (7391670).

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

5921994 is a wasteful number, since it uses less digits than its factorization.

5921994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3342.

The product of its digits is 29160, while the sum is 39.

The square root of 5921994 is about 2433.5147420963. The cubic root of 5921994 is about 180.9211422507.

The spelling of 5921994 in words is "five million, nine hundred twenty-one thousand, nine hundred ninety-four".