1026950399 has 8 divisors (see below), whose sum is σ = 1144589040. Its totient is φ = 915670656.

The previous prime is 1026950389. The next prime is 1026950413. The reversal of 1026950399 is 9930596201.

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

It is a cyclic number.

It is not a de Polignac number, because 1026950399 - 2¹⁶ = 1026884863 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1026950389) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1589384 + ... + 1590029.

It is an arithmetic number, because the mean of its divisors is an integer number (143073630).

Almost surely, 2^1026950399 is an apocalyptic number.

1026950399 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

1026950399 is a deficient number, since it is larger than the sum of its proper divisors (117638641).

1026950399 is a wasteful number, since it uses less digits than its factorization.

1026950399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3179449.

The product of its (nonzero) digits is 131220, while the sum is 44.

The square root of 1026950399 is about 32046.0668257432. The cubic root of 1026950399 is about 1008.9039506927.

The spelling of 1026950399 in words is "one billion, twenty-six million, nine hundred fifty thousand, three hundred ninety-nine".