1047909628 has 12 divisors (see below), whose sum is σ = 1834443072. Its totient is φ = 523783040.

The previous prime is 1047909617. The next prime is 1047909659. The reversal of 1047909628 is 8269097401.

It is a super-2 number, since 2×1047909628² = 2196229176910196768, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28693 + ... + 54028.

It is an arithmetic number, because the mean of its divisors is an integer number (152870256).

Almost surely, 2^1047909628 is an apocalyptic number.

It is an amenable number.

1047909628 is a deficient number, since it is larger than the sum of its proper divisors (786533444).

1047909628 is a wasteful number, since it uses less digits than its factorization.

1047909628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85892 (or 85890 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 46.

The square root of 1047909628 is about 32371.4322821836. The cubic root of 1047909628 is about 1015.7214177724.

The spelling of 1047909628 in words is "one billion, forty-seven million, nine hundred nine thousand, six hundred twenty-eight".