11420290 has 16 divisors (see below), whose sum is σ = 23493312. Its totient is φ = 3915504.

The previous prime is 11420251. The next prime is 11420291. The reversal of 11420290 is 9202411.

It is not an unprimeable number, because it can be changed into a prime (11420291) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 81504 + ... + 81643.

It is an arithmetic number, because the mean of its divisors is an integer number (1468332).

Almost surely, 2^11420290 is an apocalyptic number.

11420290 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11420290 is an abundant number, since it is smaller than the sum of its proper divisors (12073022).

11420290 is a wasteful number, since it uses less digits than its factorization.

11420290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163161.

The product of its (nonzero) digits is 144, while the sum is 19.

The square root of 11420290 is about 3379.3919571426. The cubic root of 11420290 is about 225.1951557838.

The spelling of 11420290 in words is "eleven million, four hundred twenty thousand, two hundred ninety".