990220414 has 16 divisors (see below), whose sum is σ = 1536491520. Its totient is φ = 478124280.

The previous prime is 990220373. The next prime is 990220433. The reversal of 990220414 is 414022099.

It is a happy number.

990220414 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13027 + ... + 46369.

It is an arithmetic number, because the mean of its divisors is an integer number (96030720).

Almost surely, 2^990220414 is an apocalyptic number.

990220414 is a deficient number, since it is larger than the sum of its proper divisors (546271106).

990220414 is a wasteful number, since it uses less digits than its factorization.

990220414 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33855.

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 990220414 is about 31467.7678585565. The cubic root of 990220414 is about 996.7294531846.

The spelling of 990220414 in words is "nine hundred ninety million, two hundred twenty thousand, four hundred fourteen".