4307990 has 8 divisors (see below), whose sum is σ = 7754400. Its totient is φ = 1723192.

The previous prime is 4307971. The next prime is 4308001. The reversal of 4307990 is 997034.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 215390 + ... + 215409.

It is an arithmetic number, because the mean of its divisors is an integer number (969300).

Almost surely, 2^4307990 is an apocalyptic number.

4307990 is a deficient number, since it is larger than the sum of its proper divisors (3446410).

4307990 is a wasteful number, since it uses less digits than its factorization.

4307990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 430806.

The product of its (nonzero) digits is 6804, while the sum is 32.

The square root of 4307990 is about 2075.5698012835. The cubic root of 4307990 is about 162.7139902697.

The spelling of 4307990 in words is "four million, three hundred seven thousand, nine hundred ninety".