7820148 has 24 divisors (see below), whose sum is σ = 20853952. Its totient is φ = 2234304.

The previous prime is 7820147. The next prime is 7820149. The reversal of 7820148 is 8410287.

It is an interprime number because it is at equal distance from previous prime (7820147) and next prime (7820149).

It is a super-2 number, since 2×7820148² = 122309429483808, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7820143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46465 + ... + 46632.

Almost surely, 2^7820148 is an apocalyptic number.

It is an amenable number.

7820148 is an abundant number, since it is smaller than the sum of its proper divisors (13033804).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7820148 is a wasteful number, since it uses less digits than its factorization.

7820148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93111 (or 93109 counting only the distinct ones).

The product of its (nonzero) digits is 3584, while the sum is 30.

The square root of 7820148 is about 2796.4527530427. The cubic root of 7820148 is about 198.4898594096.

The spelling of 7820148 in words is "seven million, eight hundred twenty thousand, one hundred forty-eight".