7938425 has 12 divisors (see below), whose sum is σ = 10738896. Its totient is φ = 5773200.

The previous prime is 7938407. The next prime is 7938443. The reversal of 7938425 is 5248397.

It is an interprime number because it is at equal distance from previous prime (7938407) and next prime (7938443).

It is a de Polignac number, because none of the positive numbers 2^k-7938425 is a prime.

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14159 + ... + 14708.

It is an arithmetic number, because the mean of its divisors is an integer number (894908).

Almost surely, 2^7938425 is an apocalyptic number.

It is an amenable number.

7938425 is a deficient number, since it is larger than the sum of its proper divisors (2800471).

7938425 is a wasteful number, since it uses less digits than its factorization.

7938425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28888 (or 28883 counting only the distinct ones).

The product of its digits is 60480, while the sum is 38.

The square root of 7938425 is about 2817.5210735680. The cubic root of 7938425 is about 199.4855528553.

The spelling of 7938425 in words is "seven million, nine hundred thirty-eight thousand, four hundred twenty-five".