615797 has 16 divisors (see below), whose sum is σ = 776832. Its totient is φ = 475200.

The previous prime is 615793. The next prime is 615799. The reversal of 615797 is 797516.

It is a cyclic number.

It is not a de Polignac number, because 615797 - 2² = 615793 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (615793) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6047 + ... + 6147.

It is an arithmetic number, because the mean of its divisors is an integer number (48552).

2⁶¹⁵⁷⁹⁷ is an apocalyptic number.

615797 is a gapful number since it is divisible by the number (67) formed by its first and last digit.

It is an amenable number.

615797 is a deficient number, since it is larger than the sum of its proper divisors (161035).

615797 is a wasteful number, since it uses less digits than its factorization.

615797 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188.

The product of its digits is 13230, while the sum is 35.

The square root of 615797 is about 784.7273411829. The cubic root of 615797 is about 85.0770696614.

Multiplying 615797 by its sum of digits (35), we get a triangular number (21552895 = T₆₅₆₅).

The spelling of 615797 in words is "six hundred fifteen thousand, seven hundred ninety-seven".