1634272401 has 8 divisors (see below), whose sum is σ = 2185497184. Its totient is φ = 1086281280.

The previous prime is 1634272399. The next prime is 1634272417. The reversal of 1634272401 is 1042724361.

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

It is not a de Polignac number, because 1634272401 - 2¹ = 1634272399 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1634272481) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 807235 + ... + 809256.

It is an arithmetic number, because the mean of its divisors is an integer number (273187148).

Almost surely, 2^1634272401 is an apocalyptic number.

It is an amenable number.

1634272401 is a deficient number, since it is larger than the sum of its proper divisors (551224783).

1634272401 is a wasteful number, since it uses less digits than its factorization.

1634272401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1616831.

The product of its (nonzero) digits is 8064, while the sum is 30.

The square root of 1634272401 is about 40426.1351232096. The cubic root of 1634272401 is about 1177.8992597584.

Adding to 1634272401 its reverse (1042724361), we get a palindrome (2676996762).

The spelling of 1634272401 in words is "one billion, six hundred thirty-four million, two hundred seventy-two thousand, four hundred one".