990254461 has 8 divisors (see below), whose sum is σ = 1131987584. Its totient is φ = 848588400.

The previous prime is 990254459. The next prime is 990254497. The reversal of 990254461 is 164452099.

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

It is a cyclic number.

It is not a de Polignac number, because 990254461 - 2¹ = 990254459 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (990254431) 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, 20371 + ... + 48943.

It is an arithmetic number, because the mean of its divisors is an integer number (141498448).

Almost surely, 2^990254461 is an apocalyptic number.

It is an amenable number.

990254461 is a deficient number, since it is larger than the sum of its proper divisors (141733123).

990254461 is a wasteful number, since it uses less digits than its factorization.

990254461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33531.

The product of its (nonzero) digits is 77760, while the sum is 40.

The square root of 990254461 is about 31468.3088360338. The cubic root of 990254461 is about 996.7408766544.

The spelling of 990254461 in words is "nine hundred ninety million, two hundred fifty-four thousand, four hundred sixty-one".