11667390 has 48 divisors (see below), whose sum is σ = 32577552. Its totient is φ = 2666496.

The previous prime is 11667373. The next prime is 11667391. The reversal of 11667390 is 9376611.

It is a super-2 number, since 2×11667390² = 272255978824200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11667391) 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 23 ways as a sum of consecutive naturals, for example, 2499 + ... + 5438.

It is an arithmetic number, because the mean of its divisors is an integer number (678699).

Almost surely, 2^11667390 is an apocalyptic number.

11667390 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11667390 is an abundant number, since it is smaller than the sum of its proper divisors (20910162).

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

11667390 is a wasteful number, since it uses less digits than its factorization.

11667390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7961 (or 7954 counting only the distinct ones).

The product of its (nonzero) digits is 6804, while the sum is 33.

The square root of 11667390 is about 3415.7561388366. The cubic root of 11667390 is about 226.8077576984.

The spelling of 11667390 in words is "eleven million, six hundred sixty-seven thousand, three hundred ninety".