1049997790 has 8 divisors (see below), whose sum is σ = 1889996040. Its totient is φ = 419999112.

The previous prime is 1049997737. The next prime is 1049997797. The reversal of 1049997790 is 977999401.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×1049997790² = 2204990718009768200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1049997797) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52499880 + ... + 52499899.

It is an arithmetic number, because the mean of its divisors is an integer number (236249505).

Almost surely, 2^1049997790 is an apocalyptic number.

1049997790 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1049997790 is a deficient number, since it is larger than the sum of its proper divisors (839998250).

1049997790 is a wasteful number, since it uses less digits than its factorization.

1049997790 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104999786.

The product of its (nonzero) digits is 1285956, while the sum is 55.

The square root of 1049997790 is about 32403.6693909810. The cubic root of 1049997790 is about 1016.3956437236.

The spelling of 1049997790 in words is "one billion, forty-nine million, nine hundred ninety-seven thousand, seven hundred ninety".