990356 has 24 divisors (see below), whose sum is σ = 1858080. Its totient is φ = 460512.

The previous prime is 990349. The next prime is 990359. The reversal of 990356 is 653099.

990356 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (990359) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6230 + ... + 6386.

It is an arithmetic number, because the mean of its divisors is an integer number (77420).

2⁹⁹⁰³⁵⁶ is an apocalyptic number.

It is an amenable number.

990356 is a deficient number, since it is larger than the sum of its proper divisors (867724).

990356 is a wasteful number, since it uses less digits than its factorization.

990356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 263 (or 261 counting only the distinct ones).

The product of its (nonzero) digits is 7290, while the sum is 32.

The square root of 990356 is about 995.1663177580. The cubic root of 990356 is about 99.6774943525.

The spelling of 990356 in words is "nine hundred ninety thousand, three hundred fifty-six".