4245989 has 8 divisors (see below), whose sum is σ = 4720032. Its totient is φ = 3786640.

The previous prime is 4245973. The next prime is 4246003. The reversal of 4245989 is 9895424.

4245989 = T₁₄₇ + T₁₄₈ + ... + T₃₀₅.

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

It is not a de Polignac number, because 4245989 - 2⁴ = 4245973 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4245929) 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, 3059 + ... + 4224.

It is an arithmetic number, because the mean of its divisors is an integer number (590004).

Almost surely, 2^4245989 is an apocalyptic number.

It is an amenable number.

4245989 is a deficient number, since it is larger than the sum of its proper divisors (474043).

4245989 is a wasteful number, since it uses less digits than its factorization.

4245989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7347.

The product of its digits is 103680, while the sum is 41.

The square root of 4245989 is about 2060.5797727824. The cubic root of 4245989 is about 161.9296168370.

The spelling of 4245989 in words is "four million, two hundred forty-five thousand, nine hundred eighty-nine".