10998739 has 4 divisors (see below), whose sum is σ = 11577640. Its totient is φ = 10419840.

The previous prime is 10998737. The next prime is 10998763. The reversal of 10998739 is 93789901.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 93789901 = 17 ⋅5517053.

It is a cyclic number.

It is not a de Polignac number, because 10998739 - 2¹ = 10998737 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10998737) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 289422 + ... + 289459.

It is an arithmetic number, because the mean of its divisors is an integer number (2894410).

Almost surely, 2^10998739 is an apocalyptic number.

10998739 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

10998739 is a deficient number, since it is larger than the sum of its proper divisors (578901).

10998739 is an equidigital number, since it uses as much as digits as its factorization.

10998739 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 578900.

The product of its (nonzero) digits is 122472, while the sum is 46.

The square root of 10998739 is about 3316.4346820042. The cubic root of 10998739 is about 222.3895104325.

The spelling of 10998739 in words is "ten million, nine hundred ninety-eight thousand, seven hundred thirty-nine".