652399 has 8 divisors (see below), whose sum is σ = 718848. Its totient is φ = 587160.

The previous prime is 652381. The next prime is 652411. The reversal of 652399 is 993256.

652399 = T₃₁ + T₃₂ + ... + T₁₅₇.

It is a happy number.

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 652399 - 2¹⁹ = 128111 is a prime.

It is a Duffinian number.

652399 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (652319) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1164 + ... + 1630.

It is an arithmetic number, because the mean of its divisors is an integer number (89856).

2⁶⁵²³⁹⁹ is an apocalyptic number.

652399 is a deficient number, since it is larger than the sum of its proper divisors (66449).

652399 is a wasteful number, since it uses less digits than its factorization.

652399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 605.

The product of its digits is 14580, while the sum is 34.

The square root of 652399 is about 807.7122012202. The cubic root of 652399 is about 86.7303493155.

The spelling of 652399 in words is "six hundred fifty-two thousand, three hundred ninety-nine".