652408 has 8 divisors (see below), whose sum is σ = 1223280. Its totient is φ = 326200.

The previous prime is 652381. The next prime is 652411. The reversal of 652408 is 804256.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 40768 + ... + 40783.

It is an arithmetic number, because the mean of its divisors is an integer number (152910).

2⁶⁵²⁴⁰⁸ is an apocalyptic number.

It is an amenable number.

652408 is a deficient number, since it is larger than the sum of its proper divisors (570872).

652408 is a wasteful number, since it uses less digits than its factorization.

652408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81557 (or 81553 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 652408 is about 807.7177724923. The cubic root of 652408 is about 86.7307481356.

It can be divided in two parts, 65 and 2408, that multiplied together give a triangular number (156520 = T₅₅₉).

The spelling of 652408 in words is "six hundred fifty-two thousand, four hundred eight".