806380954 has 4 divisors (see below), whose sum is σ = 1209571434. Its totient is φ = 403190476.

The previous prime is 806380951. The next prime is 806380963. The reversal of 806380954 is 459083608.

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

It can be written as a sum of positive squares in only one way, i.e., 432848025 + 373532929 = 20805^2 + 19327^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 806380954.

It is not an unprimeable number, because it can be changed into a prime (806380951) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 201595237 + ... + 201595240.

Almost surely, 2^806380954 is an apocalyptic number.

806380954 is a deficient number, since it is larger than the sum of its proper divisors (403190480).

806380954 is a wasteful number, since it uses less digits than its factorization.

806380954 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 403190479.

The product of its (nonzero) digits is 207360, while the sum is 43.

The square root of 806380954 is about 28396.8476067327. The cubic root of 806380954 is about 930.7793805779.

The spelling of 806380954 in words is "eight hundred six million, three hundred eighty thousand, nine hundred fifty-four".