4629989 has 16 divisors (see below), whose sum is σ = 5776512. Its totient is φ = 3613248.

The previous prime is 4629983. The next prime is 4629991. The reversal of 4629989 is 9899264.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4629989 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4629983) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7247 + ... + 7859.

It is an arithmetic number, because the mean of its divisors is an integer number (361032).

Almost surely, 2^4629989 is an apocalyptic number.

It is an amenable number.

4629989 is a deficient number, since it is larger than the sum of its proper divisors (1146523).

4629989 is a wasteful number, since it uses less digits than its factorization.

4629989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 716.

The product of its digits is 279936, while the sum is 47.

The square root of 4629989 is about 2151.7409230667. The cubic root of 4629989 is about 166.6709789995.

The spelling of 4629989 in words is "four million, six hundred twenty-nine thousand, nine hundred eighty-nine".