1087434 has 12 divisors (see below), whose sum is σ = 2356146. Its totient is φ = 362472.

The previous prime is 1087433. The next prime is 1087451. The reversal of 1087434 is 4347801.

It can be written as a sum of positive squares in only one way, i.e., 731025 + 356409 = 855^2 + 597^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1087398 and 1087407.

It is not an unprimeable number, because it can be changed into a prime (1087433) 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, 30189 + ... + 30224.

2^1087434 is an apocalyptic number.

1087434 is an abundant number, since it is smaller than the sum of its proper divisors (1268712).

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

1087434 is a wasteful number, since it uses less digits than its factorization.

1087434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60421 (or 60418 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 27.

The square root of 1087434 is about 1042.8010356727. The cubic root of 1087434 is about 102.8334254177.

It can be divided in two parts, 1087 and 434, that added together give a square (1521 = 39²).

The spelling of 1087434 in words is "one million, eighty-seven thousand, four hundred thirty-four".