1026909652 has 12 divisors (see below), whose sum is σ = 1803774420. Its totient is φ = 511545536.

The previous prime is 1026909649. The next prime is 1026909659. The reversal of 1026909652 is 2569096201.

It can be written as a sum of positive squares in 2 ways, for example, as 334377796 + 692531856 = 18286^2 + 26316^2 .

It is a super-2 number, since 2×1026909652² = 2109086866741522208, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1026909659) by changing a digit.

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, 476113 + ... + 478264.

It is an arithmetic number, because the mean of its divisors is an integer number (150314535).

Almost surely, 2^1026909652 is an apocalyptic number.

It is an amenable number.

1026909652 is a deficient number, since it is larger than the sum of its proper divisors (776864768).

1026909652 is a wasteful number, since it uses less digits than its factorization.

1026909652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 954650 (or 954648 counting only the distinct ones).

The product of its (nonzero) digits is 58320, while the sum is 40.

The square root of 1026909652 is about 32045.4310627896. The cubic root of 1026909652 is about 1008.8906068632.

The spelling of 1026909652 in words is "one billion, twenty-six million, nine hundred nine thousand, six hundred fifty-two".