4906989 has 12 divisors (see below), whose sum is σ = 7107100. Its totient is φ = 3262464.

The previous prime is 4906973. The next prime is 4906991. The reversal of 4906989 is 9896094.

It can be written as a sum of positive squares in 2 ways, for example, as 1232100 + 3674889 = 1110^2 + 1917^2 .

It is not a de Polignac number, because 4906989 - 2⁴ = 4906973 is a prime.

It is a super-2 number, since 2×4906989² = 48157082092242, which contains 22 as substring.

It is an Ulam number.

It is a Duffinian number.

It is a zygodrome in base 8.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4906919) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5997 + ... + 6765.

Almost surely, 2^4906989 is an apocalyptic number.

It is an amenable number.

4906989 is a deficient number, since it is larger than the sum of its proper divisors (2200111).

4906989 is a wasteful number, since it uses less digits than its factorization.

4906989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1484 (or 1481 counting only the distinct ones).

The product of its (nonzero) digits is 139968, while the sum is 45.

The square root of 4906989 is about 2215.1724537832. The cubic root of 4906989 is about 169.9306406790.

The spelling of 4906989 in words is "four million, nine hundred six thousand, nine hundred eighty-nine".