4937989 has 4 divisors (see below), whose sum is σ = 5643424. Its totient is φ = 4232556.

The previous prime is 4937971. The next prime is 4937993. The reversal of 4937989 is 9897394.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 4937989 - 2¹¹ = 4935941 is a prime.

It is an Ulam number.

It is a d-powerful number, because it can be written as 4⁶ + 9 + 3¹⁴ + 7² + 9⁵ + 8⁵ + 9⁵ .

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4935989) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 352707 + ... + 352720.

It is an arithmetic number, because the mean of its divisors is an integer number (1410856).

Almost surely, 2^4937989 is an apocalyptic number.

It is an amenable number.

4937989 is a deficient number, since it is larger than the sum of its proper divisors (705435).

4937989 is an equidigital number, since it uses as much as digits as its factorization.

4937989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 705434.

The product of its digits is 489888, while the sum is 49.

The square root of 4937989 is about 2222.1586352014. The cubic root of 4937989 is about 170.2877364719.

The spelling of 4937989 in words is "four million, nine hundred thirty-seven thousand, nine hundred eighty-nine".