1040247946 has 4 divisors (see below), whose sum is σ = 1560371922. Its totient is φ = 520123972.

The previous prime is 1040247911. The next prime is 1040247977. The reversal of 1040247946 is 6497420401.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 920454921 + 119793025 = 30339^2 + 10945^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 260061985 + ... + 260061988.

Almost surely, 2^1040247946 is an apocalyptic number.

1040247946 is a deficient number, since it is larger than the sum of its proper divisors (520123976).

1040247946 is an equidigital number, since it uses as much as digits as its factorization.

1040247946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 520123975.

The product of its (nonzero) digits is 48384, while the sum is 37.

The square root of 1040247946 is about 32252.8750036334. The cubic root of 1040247946 is about 1013.2399130704.

The spelling of 1040247946 in words is "one billion, forty million, two hundred forty-seven thousand, nine hundred forty-six".