2387634990 has 64 divisors (see below), whose sum is σ = 6195958272. Its totient is φ = 585360000.

The previous prime is 2387634983. The next prime is 2387635007. The reversal of 2387634990 is 994367832.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 85695 + ... + 110085.

It is an arithmetic number, because the mean of its divisors is an integer number (96811848).

Almost surely, 2^2387634990 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2387634990, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3097979136).

2387634990 is an abundant number, since it is smaller than the sum of its proper divisors (3808323282).

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

2387634990 is a wasteful number, since it uses less digits than its factorization.

2387634990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24665.

The product of its (nonzero) digits is 1959552, while the sum is 51.

The square root of 2387634990 is about 48863.4320325538. The cubic root of 2387634990 is about 1336.5626219708.

The spelling of 2387634990 in words is "two billion, three hundred eighty-seven million, six hundred thirty-four thousand, nine hundred ninety".