653901432 has 16 divisors (see below), whose sum is σ = 1634753640. Its totient is φ = 217967136.

The previous prime is 653901419. The next prime is 653901433. The reversal of 653901432 is 234109356.

It is a junction number, because it is equal to n+sod(n) for n = 653901393 and 653901402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (653901433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13622923 + ... + 13622970.

Almost surely, 2^653901432 is an apocalyptic number.

It is an amenable number.

653901432 is an abundant number, since it is smaller than the sum of its proper divisors (980852208).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

653901432 is a wasteful number, since it uses less digits than its factorization.

653901432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27245902 (or 27245898 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 33.

The square root of 653901432 is about 25571.4964755683. The cubic root of 653901432 is about 867.9687636972.

The spelling of 653901432 in words is "six hundred fifty-three million, nine hundred one thousand, four hundred thirty-two".