11942490 has 128 divisors (see below), whose sum is σ = 35458560. Its totient is φ = 2515968.

The previous prime is 11942479. The next prime is 11942501. The reversal of 11942490 is 9424911.

It is an interprime number because it is at equal distance from previous prime (11942479) and next prime (11942501).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

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 63 ways as a sum of consecutive naturals, for example, 225304 + ... + 225356.

It is an arithmetic number, because the mean of its divisors is an integer number (277020).

Almost surely, 2^11942490 is an apocalyptic number.

11942490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 11942490, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17729280).

11942490 is an abundant number, since it is smaller than the sum of its proper divisors (23516070).

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

11942490 is a wasteful number, since it uses less digits than its factorization.

11942490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136.

The product of its (nonzero) digits is 2592, while the sum is 30.

The square root of 11942490 is about 3455.7907922790. The cubic root of 11942490 is about 228.5765264860.

It can be divided in two parts, 1 and 1942490, that added together give a palindrome (1942491).

The spelling of 11942490 in words is "eleven million, nine hundred forty-two thousand, four hundred ninety".