990446234 has 8 divisors (see below), whose sum is σ = 1488624480. Its totient is φ = 494238076.

The previous prime is 990446207. The next prime is 990446273. The reversal of 990446234 is 432644099.

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

It is a junction number, because it is equal to n+sod(n) for n = 990446191 and 990446200.

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, 491264 + ... + 493275.

It is an arithmetic number, because the mean of its divisors is an integer number (186078060).

Almost surely, 2^990446234 is an apocalyptic number.

990446234 is a deficient number, since it is larger than the sum of its proper divisors (498178246).

990446234 is a wasteful number, since it uses less digits than its factorization.

990446234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 985044.

The product of its (nonzero) digits is 186624, while the sum is 41.

The square root of 990446234 is about 31471.3557699696. The cubic root of 990446234 is about 996.8052155550.

The spelling of 990446234 in words is "nine hundred ninety million, four hundred forty-six thousand, two hundred thirty-four".