990627249 has 8 divisors (see below), whose sum is σ = 1351553632. Its totient is φ = 645059520.

The previous prime is 990627241. The next prime is 990627311. The reversal of 990627249 is 942726099.

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

It is not a de Polignac number, because 990627249 - 2³ = 990627241 is a prime.

It is a super-2 number, since 2×990627249² = 1962684692922616002, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 990627198 and 990627207.

It is not an unprimeable number, because it can be changed into a prime (990627241) 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, 3839512 + ... + 3839769.

It is an arithmetic number, because the mean of its divisors is an integer number (168944204).

Almost surely, 2^990627249 is an apocalyptic number.

It is an amenable number.

990627249 is a deficient number, since it is larger than the sum of its proper divisors (360926383).

990627249 is a wasteful number, since it uses less digits than its factorization.

990627249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7679327.

The product of its (nonzero) digits is 489888, while the sum is 48.

The square root of 990627249 is about 31474.2315076953. The cubic root of 990627249 is about 996.8659375807.

The spelling of 990627249 in words is "nine hundred ninety million, six hundred twenty-seven thousand, two hundred forty-nine".