652438 has 4 divisors (see below), whose sum is σ = 978660. Its totient is φ = 326218.

The previous prime is 652429. The next prime is 652447. The reversal of 652438 is 834256.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (652429) and next prime (652447).

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, 163108 + ... + 163111.

It is an arithmetic number, because the mean of its divisors is an integer number (244665).

2⁶⁵²⁴³⁸ is an apocalyptic number.

652438 is a deficient number, since it is larger than the sum of its proper divisors (326222).

652438 is a wasteful number, since it uses less digits than its factorization.

652438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 326221.

The product of its digits is 5760, while the sum is 28.

The square root of 652438 is about 807.7363431219. The cubic root of 652438 is about 86.7320775096.

The spelling of 652438 in words is "six hundred fifty-two thousand, four hundred thirty-eight".