990736054 has 64 divisors (see below), whose sum is σ = 1911071232. Its totient is φ = 373996800.

The previous prime is 990736051. The next prime is 990736067. The reversal of 990736054 is 450637099.

It is a Smith number, since the sum of its digits (43) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 990736054.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (990736051) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1091869 + ... + 1092775.

It is an arithmetic number, because the mean of its divisors is an integer number (29860488).

Almost surely, 2^990736054 is an apocalyptic number.

990736054 is a deficient number, since it is larger than the sum of its proper divisors (920335178).

990736054 is a wasteful number, since it uses less digits than its factorization.

990736054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1141.

The product of its (nonzero) digits is 204120, while the sum is 43.

The square root of 990736054 is about 31475.9599377048. The cubic root of 990736054 is about 996.9024329856.

The spelling of 990736054 in words is "nine hundred ninety million, seven hundred thirty-six thousand, fifty-four".