652890424 has 8 divisors (see below), whose sum is σ = 1224169560. Its totient is φ = 326445208.

The previous prime is 652890421. The next prime is 652890439. The reversal of 652890424 is 424098256.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (652890421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40805644 + ... + 40805659.

It is an arithmetic number, because the mean of its divisors is an integer number (153021195).

Almost surely, 2^652890424 is an apocalyptic number.

It is an amenable number.

652890424 is a deficient number, since it is larger than the sum of its proper divisors (571279136).

652890424 is a wasteful number, since it uses less digits than its factorization.

652890424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81611309 (or 81611305 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 40.

The square root of 652890424 is about 25551.7205682905. The cubic root of 652890424 is about 867.5212059252.

The spelling of 652890424 in words is "six hundred fifty-two million, eight hundred ninety thousand, four hundred twenty-four".