7953138 has 12 divisors (see below), whose sum is σ = 17231838. Its totient is φ = 2651040.

The previous prime is 7953133. The next prime is 7953157. The reversal of 7953138 is 8313597.

It can be written as a sum of positive squares in only one way, i.e., 4915089 + 3038049 = 2217^2 + 1743^2 .

It is a zygodrome in base 3.

It is not an unprimeable number, because it can be changed into a prime (7953133) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 220903 + ... + 220938.

Almost surely, 2^7953138 is an apocalyptic number.

7953138 is an abundant number, since it is smaller than the sum of its proper divisors (9278700).

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

7953138 is a wasteful number, since it uses less digits than its factorization.

7953138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 441849 (or 441846 counting only the distinct ones).

The product of its digits is 22680, while the sum is 36.

The square root of 7953138 is about 2820.1308480282. The cubic root of 7953138 is about 199.6087183258.

The spelling of 7953138 in words is "seven million, nine hundred fifty-three thousand, one hundred thirty-eight".