1040343698 has 8 divisors (see below), whose sum is σ = 1560948300. Its totient is φ = 520027600.

The previous prime is 1040343697. The next prime is 1040343719. The reversal of 1040343698 is 8963430401.

It can be written as a sum of positive squares in 2 ways, for example, as 962674729 + 77668969 = 31027^2 + 8813^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (1040343697) 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, 62873 + ... + 77676.

Almost surely, 2^1040343698 is an apocalyptic number.

1040343698 is a deficient number, since it is larger than the sum of its proper divisors (520604602).

1040343698 is a wasteful number, since it uses less digits than its factorization.

1040343698 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144252.

The product of its (nonzero) digits is 62208, while the sum is 38.

The square root of 1040343698 is about 32254.3593642782. The cubic root of 1040343698 is about 1013.2710007779.

The spelling of 1040343698 in words is "one billion, forty million, three hundred forty-three thousand, six hundred ninety-eight".