1949491246 has 8 divisors (see below), whose sum is σ = 2924726904. Its totient is φ = 974582280.

The previous prime is 1949491241. The next prime is 1949491259. The reversal of 1949491246 is 6421949491.

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

It is a super-2 number, since 2×1949491246² = 7601032236461265032, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1949491246.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1949491241) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 66165 + ... + 90976.

It is an arithmetic number, because the mean of its divisors is an integer number (365590863).

Almost surely, 2^1949491246 is an apocalyptic number.

1949491246 is a deficient number, since it is larger than the sum of its proper divisors (975235658).

1949491246 is a wasteful number, since it uses less digits than its factorization.

1949491246 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163346.

The product of its digits is 559872, while the sum is 49.

The square root of 1949491246 is about 44153.0434511597. The cubic root of 1949491246 is about 1249.2243179001.

The spelling of 1949491246 in words is "one billion, nine hundred forty-nine million, four hundred ninety-one thousand, two hundred forty-six".