10921634 has 4 divisors (see below), whose sum is σ = 16382454. Its totient is φ = 5460816.

The previous prime is 10921609. The next prime is 10921649. The reversal of 10921634 is 43612901.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 43612901 = 73 ⋅597437.

It can be written as a sum of positive squares in only one way, i.e., 8970025 + 1951609 = 2995^2 + 1397^2 .

It is an alternating number because its digits alternate between odd and even.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2730407 + ... + 2730410.

Almost surely, 2^10921634 is an apocalyptic number.

10921634 is a deficient number, since it is larger than the sum of its proper divisors (5460820).

10921634 is an equidigital number, since it uses as much as digits as its factorization.

10921634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5460819.

The product of its (nonzero) digits is 1296, while the sum is 26.

The square root of 10921634 is about 3304.7895545708. The cubic root of 10921634 is about 221.8686152762.

The spelling of 10921634 in words is "ten million, nine hundred twenty-one thousand, six hundred thirty-four".