11634789 has 4 divisors (see below), whose sum is σ = 15513056. Its totient is φ = 7756524.

The previous prime is 11634787. The next prime is 11634793. The reversal of 11634789 is 98743611.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 11634789 - 2¹ = 11634787 is a prime.

It is a super-3 number, since 3×11634789³ (a number of 22 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11634787) 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, 1939129 + ... + 1939134.

It is an arithmetic number, because the mean of its divisors is an integer number (3878264).

Almost surely, 2^11634789 is an apocalyptic number.

It is an amenable number.

11634789 is a deficient number, since it is larger than the sum of its proper divisors (3878267).

11634789 is an equidigital number, since it uses as much as digits as its factorization.

11634789 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3878266.

The product of its digits is 36288, while the sum is 39.

The square root of 11634789 is about 3410.9806507807. The cubic root of 11634789 is about 226.5963120270.

The spelling of 11634789 in words is "eleven million, six hundred thirty-four thousand, seven hundred eighty-nine".