1086438425 has 12 divisors (see below), whose sum is σ = 1359546540. Its totient is φ = 861174720.

The previous prime is 1086438421. The next prime is 1086438481. The reversal of 1086438425 is 5248346801.

It can be written as a sum of positive squares in 6 ways, for example, as 94692361 + 991746064 = 9731^2 + 31492^2 .

It is not a de Polignac number, because 1086438425 - 2² = 1086438421 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1086438421) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 196622 + ... + 202071.

It is an arithmetic number, because the mean of its divisors is an integer number (113295545).

Almost surely, 2^1086438425 is an apocalyptic number.

It is an amenable number.

1086438425 is a deficient number, since it is larger than the sum of its proper divisors (273108115).

1086438425 is a wasteful number, since it uses less digits than its factorization.

1086438425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 398812 (or 398807 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 41.

The square root of 1086438425 is about 32961.1654071879. The cubic root of 1086438425 is about 1028.0203358254.

The spelling of 1086438425 in words is "one billion, eighty-six million, four hundred thirty-eight thousand, four hundred twenty-five".