11958490 has 8 divisors (see below), whose sum is σ = 21525300. Its totient is φ = 4783392.

The previous prime is 11958487. The next prime is 11958493. The reversal of 11958490 is 9485911.

It is an interprime number because it is at equal distance from previous prime (11958487) and next prime (11958493).

It can be written as a sum of positive squares in 2 ways, for example, as 11826721 + 131769 = 3439^2 + 363^2 .

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

It is not an unprimeable number, because it can be changed into a prime (11958493) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 597915 + ... + 597934.

Almost surely, 2^11958490 is an apocalyptic number.

11958490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11958490 is a deficient number, since it is larger than the sum of its proper divisors (9566810).

11958490 is a wasteful number, since it uses less digits than its factorization.

11958490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1195856.

The product of its (nonzero) digits is 12960, while the sum is 37.

The square root of 11958490 is about 3458.1049723801. The cubic root of 11958490 is about 228.6785597130.

The spelling of 11958490 in words is "eleven million, nine hundred fifty-eight thousand, four hundred ninety".