1065990346 has 4 divisors (see below), whose sum is σ = 1598985522. Its totient is φ = 532995172.

The previous prime is 1065990337. The next prime is 1065990377. The reversal of 1065990346 is 6430995601.

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., 1008761121 + 57229225 = 31761^2 + 7565^2 .

It is a super-2 number, since 2×1065990346² = 2272670835530399432, which contains 22 as substring.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 266497585 + ... + 266497588.

Almost surely, 2^1065990346 is an apocalyptic number.

1065990346 is a deficient number, since it is larger than the sum of its proper divisors (532995176).

1065990346 is an equidigital number, since it uses as much as digits as its factorization.

1065990346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 532995175.

The product of its (nonzero) digits is 174960, while the sum is 43.

The square root of 1065990346 is about 32649.5075919990. The cubic root of 1065990346 is about 1021.5299179908.

The spelling of 1065990346 in words is "one billion, sixty-five million, nine hundred ninety thousand, three hundred forty-six".