616974 has 8 divisors (see below), whose sum is σ = 1233960. Its totient is φ = 205656.

The previous prime is 616961. The next prime is 616991. The reversal of 616974 is 479616.

616974 = 113² + 114² + ... + 148².

It is a happy number.

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

616974 is an admirable number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

616974 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, 51409 + ... + 51420.

It is an arithmetic number, because the mean of its divisors is an integer number (154245).

2⁶¹⁶⁹⁷⁴ is an apocalyptic number.

616974 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

616974 is a wasteful number, since it uses less digits than its factorization.

616974 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102834.

The product of its digits is 9072, while the sum is 33.

The square root of 616974 is about 785.4769251862. The cubic root of 616974 is about 85.1312390174.

The spelling of 616974 in words is "six hundred sixteen thousand, nine hundred seventy-four".