955438387 has 4 divisors (see below), whose sum is σ = 955594816. Its totient is φ = 955281960.

The previous prime is 955438361. The next prime is 955438397. The reversal of 955438387 is 783834559.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 783834559 = 1709 ⋅458651.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-955438387 is a prime.

It is a super-2 number, since 2×955438387² = 1825725022706323538, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (955438397) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 68664 + ... + 81397.

It is an arithmetic number, because the mean of its divisors is an integer number (238898704).

Almost surely, 2^955438387 is an apocalyptic number.

955438387 is a deficient number, since it is larger than the sum of its proper divisors (156429).

955438387 is a wasteful number, since it uses less digits than its factorization.

955438387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156428.

The product of its digits is 3628800, while the sum is 52.

The square root of 955438387 is about 30910.1664020108. The cubic root of 955438387 is about 984.9198615520.

The spelling of 955438387 in words is "nine hundred fifty-five million, four hundred thirty-eight thousand, three hundred eighty-seven".