1046234881 has 4 divisors (see below), whose sum is σ = 1050124500. Its totient is φ = 1042345264.

The previous prime is 1046234809. The next prime is 1046234911. The reversal of 1046234881 is 1884326401.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 243079281 + 803155600 = 15591^2 + 28340^2 .

It is a cyclic number.

It is not a de Polignac number, because 1046234881 - 2⁹ = 1046234369 is a prime.

It is a super-2 number, since 2×1046234881² = 2189214852442168322, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1046234881.

It is not an unprimeable number, because it can be changed into a prime (1046234801) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1944406 + ... + 1944943.

It is an arithmetic number, because the mean of its divisors is an integer number (262531125).

Almost surely, 2^1046234881 is an apocalyptic number.

It is an amenable number.

1046234881 is a deficient number, since it is larger than the sum of its proper divisors (3889619).

1046234881 is an equidigital number, since it uses as much as digits as its factorization.

1046234881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3889618.

The product of its (nonzero) digits is 36864, while the sum is 37.

The square root of 1046234881 is about 32345.5542694819. The cubic root of 1046234881 is about 1015.1800277628.

The spelling of 1046234881 in words is "one billion, forty-six million, two hundred thirty-four thousand, eight hundred eighty-one".