4990434 has 8 divisors (see below), whose sum is σ = 9980880. Its totient is φ = 1663476.

The previous prime is 4990429. The next prime is 4990439. The reversal of 4990434 is 4340994.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (4990429) and next prime (4990439).

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

4990434 is an admirable number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 4990395 and 4990404.

It is not an unprimeable number, because it can be changed into a prime (4990439) 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, 415864 + ... + 415875.

It is an arithmetic number, because the mean of its divisors is an integer number (1247610).

Almost surely, 2^4990434 is an apocalyptic number.

4990434 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4990434 is a wasteful number, since it uses less digits than its factorization.

4990434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 831744.

The product of its (nonzero) digits is 15552, while the sum is 33.

The square root of 4990434 is about 2233.9279307981. The cubic root of 4990434 is about 170.8884741822. Note that the first 3 decimals are identical.

The spelling of 4990434 in words is "four million, nine hundred ninety thousand, four hundred thirty-four".