10328778 has 24 divisors (see below), whose sum is σ = 22481316. Its totient is φ = 3427200.

The previous prime is 10328777. The next prime is 10328779. The reversal of 10328778 is 87782301.

It is an interprime number because it is at equal distance from previous prime (10328777) and next prime (10328779).

It can be written as a sum of positive squares in 2 ways, for example, as 9715689 + 613089 = 3117^2 + 783^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (10328777) 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 11 ways as a sum of consecutive naturals, for example, 3148 + ... + 5528.

Almost surely, 2^10328778 is an apocalyptic number.

10328778 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

10328778 is an abundant number, since it is smaller than the sum of its proper divisors (12152538).

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

10328778 is a wasteful number, since it uses less digits than its factorization.

10328778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2630 (or 2627 counting only the distinct ones).

The product of its (nonzero) digits is 18816, while the sum is 36.

The square root of 10328778 is about 3213.8416264651. The cubic root of 10328778 is about 217.7791580003.

It can be divided in two parts, 1032 and 8778, that multiplied together give a triangular number (9058896 = T₄₂₅₆).

The spelling of 10328778 in words is "ten million, three hundred twenty-eight thousand, seven hundred seventy-eight".