8402938 has 8 divisors (see below), whose sum is σ = 12842388. Its totient is φ = 4122144.

The previous prime is 8402917. The next prime is 8402951. The reversal of 8402938 is 8392048.

8402938 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 8369449 + 33489 = 2893^2 + 183^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39531 + ... + 39742.

Almost surely, 2^8402938 is an apocalyptic number.

8402938 is a deficient number, since it is larger than the sum of its proper divisors (4439450).

8402938 is a wasteful number, since it uses less digits than its factorization.

8402938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79328.

The product of its (nonzero) digits is 13824, while the sum is 34.

The square root of 8402938 is about 2898.7821580795. The cubic root of 8402938 is about 203.3029683821.

The spelling of 8402938 in words is "eight million, four hundred two thousand, nine hundred thirty-eight".