8290939418 has 4 divisors (see below), whose sum is σ = 12436409130. Its totient is φ = 4145469708.

The previous prime is 8290939387. The next prime is 8290939453. The reversal of 8290939418 is 8149390928.

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., 8034074689 + 256864729 = 89633^2 + 16027^2 .

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 8290939418.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2072734853 + ... + 2072734856.

Almost surely, 2^8290939418 is an apocalyptic number.

8290939418 is a deficient number, since it is larger than the sum of its proper divisors (4145469712).

8290939418 is a wasteful number, since it uses less digits than its factorization.

8290939418 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4145469711.

The product of its (nonzero) digits is 1119744, while the sum is 53.

The square root of 8290939418 is about 91054.5958093275. The cubic root of 8290939418 is about 2023.9568405981.

The spelling of 8290939418 in words is "eight billion, two hundred ninety million, nine hundred thirty-nine thousand, four hundred eighteen".