652869940 has 24 divisors (see below), whose sum is σ = 1381498272. Its totient is φ = 259153440.

The previous prime is 652869907. The next prime is 652869941. The reversal of 652869940 is 49968256.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (652869941) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 121974 + ... + 127213.

It is an arithmetic number, because the mean of its divisors is an integer number (57562428).

Almost surely, 2^652869940 is an apocalyptic number.

It is an amenable number.

652869940 is an abundant number, since it is smaller than the sum of its proper divisors (728628332).

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

652869940 is a wasteful number, since it uses less digits than its factorization.

652869940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 249327 (or 249325 counting only the distinct ones).

The product of its (nonzero) digits is 933120, while the sum is 49.

The square root of 652869940 is about 25551.3197310824. The cubic root of 652869940 is about 867.5121331980.

The spelling of 652869940 in words is "six hundred fifty-two million, eight hundred sixty-nine thousand, nine hundred forty".