11915390 has 8 divisors (see below), whose sum is σ = 21447720. Its totient is φ = 4766152.

The previous prime is 11915363. The next prime is 11915399. The reversal of 11915390 is 9351911.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11915399) 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, 595760 + ... + 595779.

It is an arithmetic number, because the mean of its divisors is an integer number (2680965).

Almost surely, 2^11915390 is an apocalyptic number.

11915390 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11915390 is a deficient number, since it is larger than the sum of its proper divisors (9532330).

11915390 is a wasteful number, since it uses less digits than its factorization.

11915390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1191546.

The product of its (nonzero) digits is 1215, while the sum is 29.

The square root of 11915390 is about 3451.8676104393. The cubic root of 11915390 is about 228.4034996085.

The spelling of 11915390 in words is "eleven million, nine hundred fifteen thousand, three hundred ninety".