994949494 has 16 divisors (see below), whose sum is σ = 1860685056. Its totient is φ = 387642600.

The previous prime is 994949491. The next prime is 994949503. The reversal of 994949494 is 494949499.

It is a happy number.

It is a super-2 number, since 2×994949494² = 1979848991221712072, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (994949491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3230202 + ... + 3230509.

It is an arithmetic number, because the mean of its divisors is an integer number (116292816).

Almost surely, 2^994949494 is an apocalyptic number.

994949494 is a deficient number, since it is larger than the sum of its proper divisors (865735562).

994949494 is a wasteful number, since it uses less digits than its factorization.

994949494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6460731.

The product of its digits is 15116544, while the sum is 61.

The square root of 994949494 is about 31542.8200070951. The cubic root of 994949494 is about 998.3136558419.

The spelling of 994949494 in words is "nine hundred ninety-four million, nine hundred forty-nine thousand, four hundred ninety-four".