390000361487 has 4 divisors (see below), whose sum is σ = 425454939816. Its totient is φ = 354545783160.

The previous prime is 390000361481. The next prime is 390000361493. The reversal of 390000361487 is 784163000093.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (390000361481) and next prime (390000361493).

It is a cyclic number.

It is not a de Polignac number, because 390000361487 - 2¹⁴ = 390000345103 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (390000361481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17727289148 + ... + 17727289169.

It is an arithmetic number, because the mean of its divisors is an integer number (106363734954).

Almost surely, 2^390000361487 is an apocalyptic number.

390000361487 is a deficient number, since it is larger than the sum of its proper divisors (35454578329).

390000361487 is a wasteful number, since it uses less digits than its factorization.

390000361487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35454578328.

The product of its (nonzero) digits is 108864, while the sum is 41.

The spelling of 390000361487 in words is "three hundred ninety billion, three hundred sixty-one thousand, four hundred eighty-seven".