1955960387 has 8 divisors (see below), whose sum is σ = 1989003600. Its totient is φ = 1923163264.

The previous prime is 1955960359. The next prime is 1955960423. The reversal of 1955960387 is 7830695591.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1955960387 - 2²⁸ = 1687524931 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1955960287) 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, 45458 + ... + 77319.

It is an arithmetic number, because the mean of its divisors is an integer number (248625450).

Almost surely, 2^1955960387 is an apocalyptic number.

1955960387 is a deficient number, since it is larger than the sum of its proper divisors (33043213).

1955960387 is a wasteful number, since it uses less digits than its factorization.

1955960387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123045.

The product of its (nonzero) digits is 2041200, while the sum is 53.

The square root of 1955960387 is about 44226.2409322791. The cubic root of 1955960387 is about 1250.6045900895.

The spelling of 1955960387 in words is "one billion, nine hundred fifty-five million, nine hundred sixty thousand, three hundred eighty-seven".