5436991 has 24 divisors (see below), whose sum is σ = 6870096. Its totient is φ = 4273920.

The previous prime is 5436989. The next prime is 5437001. The reversal of 5436991 is 1996345.

It is not a de Polignac number, because 5436991 - 2¹ = 5436989 is a prime.

It is a super-2 number, since 2×5436991² = 59121742268162, which contains 22 as substring.

It is a Smith number, since the sum of its digits (37) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 5436991.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5436961) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 50760 + ... + 50866.

It is an arithmetic number, because the mean of its divisors is an integer number (286254).

Almost surely, 2^5436991 is an apocalyptic number.

5436991 is a deficient number, since it is larger than the sum of its proper divisors (1433105).

5436991 is a wasteful number, since it uses less digits than its factorization.

5436991 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 199 (or 192 counting only the distinct ones).

The product of its digits is 29160, while the sum is 37.

The square root of 5436991 is about 2331.7356196619. The cubic root of 5436991 is about 175.8407542870.

The spelling of 5436991 in words is "five million, four hundred thirty-six thousand, nine hundred ninety-one".