994274487 has 16 divisors (see below), whose sum is σ = 1491648000. Its totient is φ = 654457752.

The previous prime is 994274459. The next prime is 994274497. The reversal of 994274487 is 784472499.

It is a happy number.

994274487 is a `hidden beast` number, since 9 + 94 + 2 + 74 + 487 = 666.

It is not a de Polignac number, because 994274487 - 2¹² = 994270391 is a prime.

It is a super-2 number, since 2×994274487² = 1977163510998226338, which contains 22 as substring.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (994274417) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 230937 + ... + 235202.

It is an arithmetic number, because the mean of its divisors is an integer number (93228000).

Almost surely, 2^994274487 is an apocalyptic number.

994274487 is a deficient number, since it is larger than the sum of its proper divisors (497373513).

994274487 is a wasteful number, since it uses less digits than its factorization.

994274487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 466227 (or 466221 counting only the distinct ones).

The product of its digits is 4064256, while the sum is 54.

The square root of 994274487 is about 31532.1183398769. The cubic root of 994274487 is about 998.0878416476.

The spelling of 994274487 in words is "nine hundred ninety-four million, two hundred seventy-four thousand, four hundred eighty-seven".