11858742 has 24 divisors (see below), whose sum is σ = 29364816. Its totient is φ = 3388176.

The previous prime is 11858729. The next prime is 11858747. The reversal of 11858742 is 24785811.

It is a junction number, because it is equal to n+sod(n) for n = 11858697 and 11858706.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11858747) 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, 46933 + ... + 47184.

It is an arithmetic number, because the mean of its divisors is an integer number (1223534).

Almost surely, 2^11858742 is an apocalyptic number.

11858742 is an abundant number, since it is smaller than the sum of its proper divisors (17506074).

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

11858742 is a wasteful number, since it uses less digits than its factorization.

11858742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94132 (or 94129 counting only the distinct ones).

The product of its digits is 17920, while the sum is 36.

The square root of 11858742 is about 3443.6524214851. The cubic root of 11858742 is about 228.0409667846.

The spelling of 11858742 in words is "eleven million, eight hundred fifty-eight thousand, seven hundred forty-two".