7820948 has 6 divisors (see below), whose sum is σ = 13686666. Its totient is φ = 3910472.

The previous prime is 7820947. The next prime is 7820957. The reversal of 7820948 is 8490287.

It can be written as a sum of positive squares in only one way, i.e., 5299204 + 2521744 = 2302^2 + 1588^2 .

It is a super-2 number, since 2×7820948² = 122334455237408, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7820947) by changing a digit.

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, 977615 + ... + 977622.

It is an arithmetic number, because the mean of its divisors is an integer number (2281111).

Almost surely, 2^7820948 is an apocalyptic number.

It is an amenable number.

7820948 is a deficient number, since it is larger than the sum of its proper divisors (5865718).

7820948 is a wasteful number, since it uses less digits than its factorization.

7820948 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1955241 (or 1955239 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 38.

The square root of 7820948 is about 2796.5957877391. The cubic root of 7820948 is about 198.4966276734.

The spelling of 7820948 in words is "seven million, eight hundred twenty thousand, nine hundred forty-eight".