10447988 has 6 divisors (see below), whose sum is σ = 18283986. Its totient is φ = 5223992.

The previous prime is 10447963. The next prime is 10447993. The reversal of 10447988 is 88974401.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 10316944 + 131044 = 3212^2 + 362^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1305995 + ... + 1306002.

It is an arithmetic number, because the mean of its divisors is an integer number (3047331).

Almost surely, 2^10447988 is an apocalyptic number.

It is an amenable number.

10447988 is a deficient number, since it is larger than the sum of its proper divisors (7835998).

10447988 is a wasteful number, since it uses less digits than its factorization.

10447988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2612001 (or 2611999 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 41.

The square root of 10447988 is about 3232.3347598911. The cubic root of 10447988 is about 218.6137907960.

The spelling of 10447988 in words is "ten million, four hundred forty-seven thousand, nine hundred eighty-eight".