4030989 has 8 divisors (see below), whose sum is σ = 5690880. Its totient is φ = 2529216.

The previous prime is 4030981. The next prime is 4030993. The reversal of 4030989 is 9890304.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 4030989 - 2³ = 4030981 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4030981) 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, 39469 + ... + 39570.

It is an arithmetic number, because the mean of its divisors is an integer number (711360).

Almost surely, 2^4030989 is an apocalyptic number.

It is an amenable number.

4030989 is a deficient number, since it is larger than the sum of its proper divisors (1659891).

4030989 is a wasteful number, since it uses less digits than its factorization.

4030989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79059.

The product of its (nonzero) digits is 7776, while the sum is 33.

The square root of 4030989 is about 2007.7323028731. The cubic root of 4030989 is about 159.1489842050.

The spelling of 4030989 in words is "four million, thirty thousand, nine hundred eighty-nine".