1027621364 has 48 divisors (see below), whose sum is σ = 2244834816. Its totient is φ = 399880800.

The previous prime is 1027621333. The next prime is 1027621367. The reversal of 1027621364 is 4631267201.

It is a self number, because there is not a number n which added to its sum of digits gives 1027621364.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1027621367) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 344399 + ... + 347369.

It is an arithmetic number, because the mean of its divisors is an integer number (46767392).

Almost surely, 2^1027621364 is an apocalyptic number.

1027621364 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1027621364 is an abundant number, since it is smaller than the sum of its proper divisors (1217213452).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1027621364 is a wasteful number, since it uses less digits than its factorization.

1027621364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4116 (or 4114 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 32.

The square root of 1027621364 is about 32056.5338737675. The cubic root of 1027621364 is about 1009.1236276007.

Adding to 1027621364 its reverse (4631267201), we get a palindrome (5658888565).

The spelling of 1027621364 in words is "one billion, twenty-seven million, six hundred twenty-one thousand, three hundred sixty-four".