4912990 has 8 divisors (see below), whose sum is σ = 8843400. Its totient is φ = 1965192.

The previous prime is 4912981. The next prime is 4912991. The reversal of 4912990 is 992194.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4912991) 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, 245640 + ... + 245659.

It is an arithmetic number, because the mean of its divisors is an integer number (1105425).

Almost surely, 2^4912990 is an apocalyptic number.

4912990 is a deficient number, since it is larger than the sum of its proper divisors (3930410).

4912990 is a wasteful number, since it uses less digits than its factorization.

4912990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 491306.

The product of its (nonzero) digits is 5832, while the sum is 34.

The square root of 4912990 is about 2216.5265619884. The cubic root of 4912990 is about 169.9998846597. Note that the first 3 decimals are identical.

It can be divided in two parts, 491 and 2990, that added together give a square (3481 = 59²).

The spelling of 4912990 in words is "four million, nine hundred twelve thousand, nine hundred ninety".