4989397 has 8 divisors (see below), whose sum is σ = 5746752. Its totient is φ = 4243200.

The previous prime is 4989377. The next prime is 4989409. The reversal of 4989397 is 7939894.

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 4989397 - 2¹⁵ = 4956629 is a prime.

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 4989397.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4989337) 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, 1804 + ... + 3637.

It is an arithmetic number, because the mean of its divisors is an integer number (718344).

Almost surely, 2^4989397 is an apocalyptic number.

It is an amenable number.

4989397 is a deficient number, since it is larger than the sum of its proper divisors (757355).

4989397 is a wasteful number, since it uses less digits than its factorization.

4989397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5579.

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

The square root of 4989397 is about 2233.6958163546. The cubic root of 4989397 is about 170.8766366264.

The spelling of 4989397 in words is "four million, nine hundred eighty-nine thousand, three hundred ninety-seven".