4089970 has 8 divisors (see below), whose sum is σ = 7361964. Its totient is φ = 1635984.

The previous prime is 4089949. The next prime is 4089973. The reversal of 4089970 is 799804.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 3775249 + 314721 = 1943^2 + 561^2 .

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

It is not an unprimeable number, because it can be changed into a prime (4089973) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 204489 + ... + 204508.

Almost surely, 2^4089970 is an apocalyptic number.

4089970 is a deficient number, since it is larger than the sum of its proper divisors (3271994).

4089970 is a wasteful number, since it uses less digits than its factorization.

4089970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 409004.

The product of its (nonzero) digits is 18144, while the sum is 37.

The square root of 4089970 is about 2022.3674245794. The cubic root of 4089970 is about 159.9214458141.

The spelling of 4089970 in words is "four million, eighty-nine thousand, nine hundred seventy".