5437989 has 32 divisors (see below), whose sum is σ = 8524800. Its totient is φ = 3421440.

The previous prime is 5437979. The next prime is 5437997. The reversal of 5437989 is 9897345.

It is not a de Polignac number, because 5437989 - 2⁴ = 5437973 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5437919) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 61057 + ... + 61145.

It is an arithmetic number, because the mean of its divisors is an integer number (266400).

Almost surely, 2^5437989 is an apocalyptic number.

It is an amenable number.

5437989 is a deficient number, since it is larger than the sum of its proper divisors (3086811).

5437989 is a wasteful number, since it uses less digits than its factorization.

5437989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202 (or 196 counting only the distinct ones).

The product of its digits is 272160, while the sum is 45.

The square root of 5437989 is about 2331.9496135208. The cubic root of 5437989 is about 175.8515125867.

The spelling of 5437989 in words is "five million, four hundred thirty-seven thousand, nine hundred eighty-nine".