8240691 has 8 divisors (see below), whose sum is σ = 11096784. Its totient is φ = 5439200.

The previous prime is 8240681. The next prime is 8240711. The reversal of 8240691 is 1960428.

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

It is a cyclic number.

It is not a de Polignac number, because 8240691 - 2⁶ = 8240627 is a prime.

It is not an unprimeable number, because it can be changed into a prime (8240621) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13296 + ... + 13901.

It is an arithmetic number, because the mean of its divisors is an integer number (1387098).

Almost surely, 2^8240691 is an apocalyptic number.

8240691 is a deficient number, since it is larger than the sum of its proper divisors (2856093).

8240691 is a wasteful number, since it uses less digits than its factorization.

8240691 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27301.

The product of its (nonzero) digits is 3456, while the sum is 30.

The square root of 8240691 is about 2870.6603769865. The cubic root of 8240691 is about 201.9859726233.

The spelling of 8240691 in words is "eight million, two hundred forty thousand, six hundred ninety-one".