1046071638 has 32 divisors (see below), whose sum is σ = 2446953600. Its totient is φ = 330338088.

The previous prime is 1046071633. The next prime is 1046071639. The reversal of 1046071638 is 8361706401.

1046071638 is a `hidden beast` number, since 1 + 0 + 4 + 607 + 16 + 38 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1046071633) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 508756 + ... + 510807.

It is an arithmetic number, because the mean of its divisors is an integer number (76467300).

Almost surely, 2^1046071638 is an apocalyptic number.

1046071638 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

1046071638 is an abundant number, since it is smaller than the sum of its proper divisors (1400881962).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1046071638 is a wasteful number, since it uses less digits than its factorization.

1046071638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1019593 (or 1019587 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 1046071638 is about 32343.0307485245. The cubic root of 1046071638 is about 1015.1272258359.

The spelling of 1046071638 in words is "one billion, forty-six million, seventy-one thousand, six hundred thirty-eight".