494442949 has 32 divisors (see below), whose sum is σ = 667779840. Its totient is φ = 353548800.

The previous prime is 494442917. The next prime is 494442967. The reversal of 494442949 is 949244494.

It is not a de Polignac number, because 494442949 - 2⁵ = 494442917 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (494442979) 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, 179817 + ... + 182545.

It is an arithmetic number, because the mean of its divisors is an integer number (20868120).

Almost surely, 2^494442949 is an apocalyptic number.

It is an amenable number.

494442949 is a deficient number, since it is larger than the sum of its proper divisors (173336891).

494442949 is a wasteful number, since it uses less digits than its factorization.

494442949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2941.

The product of its digits is 1492992, while the sum is 49.

The square root of 494442949 is about 22236.0731470285. The cubic root of 494442949 is about 790.7491419661.

The spelling of 494442949 in words is "four hundred ninety-four million, four hundred forty-two thousand, nine hundred forty-nine".