7990434 has 32 divisors (see below), whose sum is σ = 18008640. Its totient is φ = 2625696.

The previous prime is 7990427. The next prime is 7990441. The reversal of 7990434 is 4340997.

It is an interprime number because it is at equal distance from previous prime (7990427) and next prime (7990441).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2929 + ... + 4955.

It is an arithmetic number, because the mean of its divisors is an integer number (562770).

Almost surely, 2^7990434 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7990434, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9004320).

7990434 is an abundant number, since it is smaller than the sum of its proper divisors (10018206).

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

7990434 is a wasteful number, since it uses less digits than its factorization.

7990434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2111 (or 2105 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 36.

The square root of 7990434 is about 2826.7355730595. The cubic root of 7990434 is about 199.9202515385.

The spelling of 7990434 in words is "seven million, nine hundred ninety thousand, four hundred thirty-four".