1084600649 has 4 divisors (see below), whose sum is σ = 1183200720. Its totient is φ = 986000580.

The previous prime is 1084600637. The next prime is 1084600661. The reversal of 1084600649 is 9460064801.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (1084600637) and next prime (1084600661).

It is a cyclic number.

It is not a de Polignac number, because 1084600649 - 2⁸ = 1084600393 is a prime.

It is a super-2 number, since 2×1084600649² = 2352717135622442402, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1084600669) 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, 49300019 + ... + 49300040.

It is an arithmetic number, because the mean of its divisors is an integer number (295800180).

Almost surely, 2^1084600649 is an apocalyptic number.

It is an amenable number.

1084600649 is a deficient number, since it is larger than the sum of its proper divisors (98600071).

1084600649 is an equidigital number, since it uses as much as digits as its factorization.

1084600649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98600070.

The product of its (nonzero) digits is 41472, while the sum is 38.

The square root of 1084600649 is about 32933.2757101385. The cubic root of 1084600649 is about 1027.4403559169.

The spelling of 1084600649 in words is "one billion, eighty-four million, six hundred thousand, six hundred forty-nine".