4081634 has 8 divisors (see below), whose sum is σ = 6333660. Its totient is φ = 1970416.

The previous prime is 4081613. The next prime is 4081657. The reversal of 4081634 is 4361804.

It can be written as a sum of positive squares in 2 ways, for example, as 3598609 + 483025 = 1897^2 + 695^2 .

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

It is a super-2 number, since 2×4081634² = 33319472219912, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35129 + ... + 35244.

Almost surely, 2^4081634 is an apocalyptic number.

4081634 is a deficient number, since it is larger than the sum of its proper divisors (2252026).

4081634 is a wasteful number, since it uses less digits than its factorization.

4081634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70404.

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 4081634 is about 2020.3054224547. The cubic root of 4081634 is about 159.8127235910.

The spelling of 4081634 in words is "four million, eighty-one thousand, six hundred thirty-four".