1023409684 has 24 divisors (see below), whose sum is σ = 1955465568. Its totient is φ = 464785440.

The previous prime is 1023409661. The next prime is 1023409697. The reversal of 1023409684 is 4869043201.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45027 + ... + 63829.

It is an arithmetic number, because the mean of its divisors is an integer number (81477732).

Almost surely, 2^1023409684 is an apocalyptic number.

It is an amenable number.

1023409684 is a deficient number, since it is larger than the sum of its proper divisors (932055884).

1023409684 is a wasteful number, since it uses less digits than its factorization.

1023409684 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20055 (or 20053 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 37.

The square root of 1023409684 is about 31990.7749827978. The cubic root of 1023409684 is about 1007.7431173847.

The spelling of 1023409684 in words is "one billion, twenty-three million, four hundred nine thousand, six hundred eighty-four".