11890416 has 20 divisors (see below), whose sum is σ = 30717032. Its totient is φ = 3963456.

The previous prime is 11890399. The next prime is 11890421. The reversal of 11890416 is 61409811.

11890416 = 594² + 595² + ... + 625².

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 123811 + ... + 123906.

Almost surely, 2^11890416 is an apocalyptic number.

11890416 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

11890416 is an abundant number, since it is smaller than the sum of its proper divisors (18826616).

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

11890416 is a wasteful number, since it uses less digits than its factorization.

11890416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 247728 (or 247722 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 30.

The square root of 11890416 is about 3448.2482509239. The cubic root of 11890416 is about 228.2438142816.

The spelling of 11890416 in words is "eleven million, eight hundred ninety thousand, four hundred sixteen".