617662 has 8 divisors (see below), whose sum is σ = 944136. Its totient is φ = 302952.

The previous prime is 617657. The next prime is 617677. The reversal of 617662 is 266716.

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

It is a self number, because there is not a number n which added to its sum of digits gives 617662.

It is a congruent number.

It is an unprimeable number.

617662 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2808 + ... + 3019.

It is an arithmetic number, because the mean of its divisors is an integer number (118017).

2⁶¹⁷⁶⁶² is an apocalyptic number.

617662 is a deficient number, since it is larger than the sum of its proper divisors (326474).

617662 is a wasteful number, since it uses less digits than its factorization.

617662 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5882.

The product of its digits is 3024, while the sum is 28.

The square root of 617662 is about 785.9147536470. The cubic root of 617662 is about 85.1628711093.

The spelling of 617662 in words is "six hundred seventeen thousand, six hundred sixty-two".