1952897720 has 32 divisors (see below), whose sum is σ = 4395766320. Its totient is φ = 780848640.

The previous prime is 1952897717. The next prime is 1952897743. The reversal of 1952897720 is 277982591.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 110624 + ... + 127056.

Almost surely, 2^1952897720 is an apocalyptic number.

1952897720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1952897720 is an abundant number, since it is smaller than the sum of its proper divisors (2442868600).

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

1952897720 is a wasteful number, since it uses less digits than its factorization.

1952897720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19415 (or 19411 counting only the distinct ones).

The product of its (nonzero) digits is 635040, while the sum is 50.

The square root of 1952897720 is about 44191.6023696811. The cubic root of 1952897720 is about 1249.9515117191.

The spelling of 1952897720 in words is "one billion, nine hundred fifty-two million, eight hundred ninety-seven thousand, seven hundred twenty".