5921749 has 8 divisors (see below), whose sum is σ = 6265440. Its totient is φ = 5581296.

The previous prime is 5921737. The next prime is 5921759. The reversal of 5921749 is 9471295.

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

It is a cyclic number.

It is not a de Polignac number, because 5921749 - 2⁵ = 5921717 is a prime.

It is a super-2 number, since 2×5921749² = 70134222438002, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5921759) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3627 + ... + 4999.

It is an arithmetic number, because the mean of its divisors is an integer number (783180).

Almost surely, 2^5921749 is an apocalyptic number.

It is an amenable number.

5921749 is a deficient number, since it is larger than the sum of its proper divisors (343691).

5921749 is a wasteful number, since it uses less digits than its factorization.

5921749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1619.

The product of its digits is 22680, while the sum is 37.

The square root of 5921749 is about 2433.4644028627. The cubic root of 5921749 is about 180.9186472413.

It can be divided in two parts, 5921 and 749, that added together give a triangular number (6670 = T₁₁₅).

The spelling of 5921749 in words is "five million, nine hundred twenty-one thousand, seven hundred forty-nine".