651862332 has 108 divisors (see below), whose sum is σ = 1821259440. Its totient is φ = 196437120.

The previous prime is 651862307. The next prime is 651862339. The reversal of 651862332 is 233268156.

It is a happy number.

651862332 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

Its product of digits (51840) is a multiple of the sum of its prime factors (864).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (651862339) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1145344 + ... + 1145912.

Almost surely, 2^651862332 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 651862332, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (910629720).

651862332 is an abundant number, since it is smaller than the sum of its proper divisors (1169397108).

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

651862332 is a wasteful number, since it uses less digits than its factorization.

651862332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 864 (or 848 counting only the distinct ones).

The product of its digits is 51840, while the sum is 36.

The square root of 651862332 is about 25531.5947798018. The cubic root of 651862332 is about 867.0656112669.

The spelling of 651862332 in words is "six hundred fifty-one million, eight hundred sixty-two thousand, three hundred thirty-two".