1942947 has 30 divisors (see below), whose sum is σ = 3120348. Its totient is φ = 1204416.

The previous prime is 1942943. The next prime is 1942961. The reversal of 1942947 is 7492491.

It is not a de Polignac number, because 1942947 - 2² = 1942943 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1942943) by changing a digit.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 23368 + ... + 23450.

2^1942947 is an apocalyptic number.

1942947 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

1942947 is a deficient number, since it is larger than the sum of its proper divisors (1177401).

1942947 is an equidigital number, since it uses as much as digits as its factorization.

1942947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129 (or 103 counting only the distinct ones).

The product of its digits is 18144, while the sum is 36.

The square root of 1942947 is about 1393.8963376091. The cubic root of 1942947 is about 124.7824910718.

The spelling of 1942947 in words is "one million, nine hundred forty-two thousand, nine hundred forty-seven".