10499778 has 24 divisors (see below), whose sum is σ = 24088428. Its totient is φ = 3293952.

The previous prime is 10499773. The next prime is 10499789. The reversal of 10499778 is 87799401.

It can be written as a sum of positive squares in 2 ways, for example, as 10478169 + 21609 = 3237^2 + 147^2 .

It is a super-2 number, since 2×10499778² = 220490676098568, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10499773) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16851 + ... + 17462.

Almost surely, 2^10499778 is an apocalyptic number.

10499778 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

10499778 is an abundant number, since it is smaller than the sum of its proper divisors (13588650).

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

10499778 is a wasteful number, since it uses less digits than its factorization.

10499778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34338 (or 34335 counting only the distinct ones).

The product of its (nonzero) digits is 127008, while the sum is 45.

The square root of 10499778 is about 3240.3360936792. The cubic root of 10499778 is about 218.9744137244.

The spelling of 10499778 in words is "ten million, four hundred ninety-nine thousand, seven hundred seventy-eight".