7988534 has 4 divisors (see below), whose sum is σ = 11982804. Its totient is φ = 3994266.

The previous prime is 7988527. The next prime is 7988537. The reversal of 7988534 is 4358897.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4358897 = 643 ⋅6779.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7988537) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1997132 + ... + 1997135.

It is an arithmetic number, because the mean of its divisors is an integer number (2995701).

Almost surely, 2^7988534 is an apocalyptic number.

7988534 is a deficient number, since it is larger than the sum of its proper divisors (3994270).

7988534 is a wasteful number, since it uses less digits than its factorization.

7988534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3994269.

The product of its digits is 241920, while the sum is 44.

The square root of 7988534 is about 2826.3994763656. The cubic root of 7988534 is about 199.9044043146.

The spelling of 7988534 in words is "seven million, nine hundred eighty-eight thousand, five hundred thirty-four".