8042658 has 32 divisors (see below), whose sum is σ = 17517696. Its totient is φ = 2446848.

The previous prime is 8042647. The next prime is 8042659. The reversal of 8042658 is 8562408.

8042658 = 202² + 203² + ... + 318².

It is not an unprimeable number, because it can be changed into a prime (8042659) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7035 + ... + 8097.

It is an arithmetic number, because the mean of its divisors is an integer number (547428).

Almost surely, 2^8042658 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8042658, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8758848).

8042658 is an abundant number, since it is smaller than the sum of its proper divisors (9475038).

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

8042658 is a wasteful number, since it uses less digits than its factorization.

8042658 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1178.

The product of its (nonzero) digits is 15360, while the sum is 33.

The square root of 8042658 is about 2835.9580391818. The cubic root of 8042658 is about 200.3548533564.

The spelling of 8042658 in words is "eight million, forty-two thousand, six hundred fifty-eight".