1049390438 has 8 divisors (see below), whose sum is σ = 1574362440. Its totient is φ = 524602960.

The previous prime is 1049390423. The next prime is 1049390443. The reversal of 1049390438 is 8340939401.

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

It is a super-2 number, since 2×1049390438² = 2202440582731663688, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1049390395 and 1049390404.

It is a congruent number.

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 in 3 ways as a sum of consecutive naturals, for example, 30908 + ... + 55263.

It is an arithmetic number, because the mean of its divisors is an integer number (196795305).

Almost surely, 2^1049390438 is an apocalyptic number.

1049390438 is a deficient number, since it is larger than the sum of its proper divisors (524972002).

1049390438 is an equidigital number, since it uses as much as digits as its factorization.

1049390438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92262.

The product of its (nonzero) digits is 93312, while the sum is 41.

The square root of 1049390438 is about 32394.2963806902. The cubic root of 1049390438 is about 1016.1996341081.

The spelling of 1049390438 in words is "one billion, forty-nine million, three hundred ninety thousand, four hundred thirty-eight".