1000387465 has 24 divisors (see below), whose sum is σ = 1508028480. Its totient is φ = 623615520.

The previous prime is 1000387447. The next prime is 1000387471. The reversal of 1000387465 is 5647830001.

1000387465 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1000387465 - 2²¹ = 998290313 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1000387465.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 113875 + ... + 122344.

It is an arithmetic number, because the mean of its divisors is an integer number (62834520).

Almost surely, 2^1000387465 is an apocalyptic number.

It is an amenable number.

1000387465 is a deficient number, since it is larger than the sum of its proper divisors (507641015).

1000387465 is a wasteful number, since it uses less digits than its factorization.

1000387465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 236253 (or 236242 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 34.

The square root of 1000387465 is about 31628.9023679292. The cubic root of 1000387465 is about 1000.1291383226.

The spelling of 1000387465 in words is "one billion, three hundred eighty-seven thousand, four hundred sixty-five".