950812381 has 4 divisors (see below), whose sum is σ = 952225852. Its totient is φ = 949398912.

The previous prime is 950812327. The next prime is 950812391. The reversal of 950812381 is 183218059.

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

It can be written as a sum of positive squares in 2 ways, for example, as 180472356 + 770340025 = 13434^2 + 27755^2 .

It is a cyclic number.

It is not a de Polignac number, because 950812381 - 2¹³ = 950804189 is a prime.

It is a super-2 number, since 2×950812381² = 1808088367725778322, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 950812381.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (950812391) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 705726 + ... + 707071.

It is an arithmetic number, because the mean of its divisors is an integer number (238056463).

Almost surely, 2^950812381 is an apocalyptic number.

It is an amenable number.

950812381 is a deficient number, since it is larger than the sum of its proper divisors (1413471).

950812381 is a wasteful number, since it uses less digits than its factorization.

950812381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1413470.

The product of its (nonzero) digits is 17280, while the sum is 37.

The square root of 950812381 is about 30835.2457587093. The cubic root of 950812381 is about 983.3277063995.

The spelling of 950812381 in words is "nine hundred fifty million, eight hundred twelve thousand, three hundred eighty-one".