1087634 has 8 divisors (see below), whose sum is σ = 1635888. Its totient is φ = 542340.

The previous prime is 1087631. The next prime is 1087657. The reversal of 1087634 is 4367801.

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

It is a junction number, because it is equal to n+sod(n) for n = 1087597 and 1087606.

It is not an unprimeable number, because it can be changed into a prime (1087631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 989 + ... + 1775.

It is an arithmetic number, because the mean of its divisors is an integer number (204486).

2^1087634 is an apocalyptic number.

1087634 is a deficient number, since it is larger than the sum of its proper divisors (548254).

1087634 is an equidigital number, since it uses as much as digits as its factorization.

1087634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1480.

The product of its (nonzero) digits is 4032, while the sum is 29.

The square root of 1087634 is about 1042.8969268341. The cubic root of 1087634 is about 102.8397293787.

The spelling of 1087634 in words is "one million, eighty-seven thousand, six hundred thirty-four".