7948398 has 8 divisors (see below), whose sum is σ = 15896808. Its totient is φ = 2649464.

The previous prime is 7948393. The next prime is 7948429. The reversal of 7948398 is 8938497.

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

7948398 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7948393) 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, 662361 + ... + 662372.

It is an arithmetic number, because the mean of its divisors is an integer number (1987101).

Almost surely, 2^7948398 is an apocalyptic number.

7948398 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

7948398 is a wasteful number, since it uses less digits than its factorization.

7948398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1324738.

The product of its digits is 435456, while the sum is 48.

The square root of 7948398 is about 2819.2903362371. The cubic root of 7948398 is about 199.5690554342.

Subtracting 7948398 from its reverse (8938497), we obtain a palindrome (990099).

The spelling of 7948398 in words is "seven million, nine hundred forty-eight thousand, three hundred ninety-eight".