653873376 has 48 divisors (see below), whose sum is σ = 1848453264. Its totient is φ = 201191424.

The previous prime is 653873357. The next prime is 653873387. The reversal of 653873376 is 673378356.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 260721 + ... + 263216.

It is an arithmetic number, because the mean of its divisors is an integer number (38509443).

Almost surely, 2^653873376 is an apocalyptic number.

It is an amenable number.

653873376 is an abundant number, since it is smaller than the sum of its proper divisors (1194579888).

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

653873376 is a wasteful number, since it uses less digits than its factorization.

653873376 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 523963 (or 523955 counting only the distinct ones).

The product of its digits is 1905120, while the sum is 48.

The square root of 653873376 is about 25570.9478901350. The cubic root of 653873376 is about 867.9563499608.

The spelling of 653873376 in words is "six hundred fifty-three million, eight hundred seventy-three thousand, three hundred seventy-six".