1048390269 has 4 divisors (see below), whose sum is σ = 1397853696. Its totient is φ = 698926844.

The previous prime is 1048390253. The next prime is 1048390279. The reversal of 1048390269 is 9620938401.

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 a cyclic number.

It is not a de Polignac number, because 1048390269 - 2⁴ = 1048390253 is a prime.

It is a super-2 number, since 2×1048390269² = 2198244312267784722, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1048390269.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1048390229) 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, 174731709 + ... + 174731714.

It is an arithmetic number, because the mean of its divisors is an integer number (349463424).

Almost surely, 2^1048390269 is an apocalyptic number.

It is an amenable number.

1048390269 is a deficient number, since it is larger than the sum of its proper divisors (349463427).

1048390269 is an equidigital number, since it uses as much as digits as its factorization.

1048390269 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 349463426.

The product of its (nonzero) digits is 93312, while the sum is 42.

The square root of 1048390269 is about 32378.8552762447. The cubic root of 1048390269 is about 1015.8766864852.

The spelling of 1048390269 in words is "one billion, forty-eight million, three hundred ninety thousand, two hundred sixty-nine".