617948 has 6 divisors (see below), whose sum is σ = 1081416. Its totient is φ = 308972.

The previous prime is 617917. The next prime is 617951. The reversal of 617948 is 849716.

It is a congruent number.

It is an unprimeable number.

617948 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 as a sum of consecutive naturals, namely, 77240 + ... + 77247.

It is an arithmetic number, because the mean of its divisors is an integer number (180236).

2⁶¹⁷⁹⁴⁸ is an apocalyptic number.

It is an amenable number.

617948 is a deficient number, since it is larger than the sum of its proper divisors (463468).

617948 is a wasteful number, since it uses less digits than its factorization.

617948 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154491 (or 154489 counting only the distinct ones).

The product of its digits is 12096, while the sum is 35.

The square root of 617948 is about 786.0966861653. The cubic root of 617948 is about 85.1760135847.

The spelling of 617948 in words is "six hundred seventeen thousand, nine hundred forty-eight".