11649442 has 8 divisors (see below), whose sum is σ = 19970496. Its totient is φ = 4992612.

The previous prime is 11649439. The next prime is 11649461. The reversal of 11649442 is 24494611.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×11649442² = 271418997822728, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 416038 + ... + 416065.

It is an arithmetic number, because the mean of its divisors is an integer number (2496312).

Almost surely, 2^11649442 is an apocalyptic number.

11649442 is a deficient number, since it is larger than the sum of its proper divisors (8321054).

11649442 is an equidigital number, since it uses as much as digits as its factorization.

11649442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 832112.

The product of its digits is 6912, while the sum is 31.

The square root of 11649442 is about 3413.1278909528. The cubic root of 11649442 is about 226.6913982049.

The spelling of 11649442 in words is "eleven million, six hundred forty-nine thousand, four hundred forty-two".