1046909398 has 4 divisors (see below), whose sum is σ = 1570364100. Its totient is φ = 523454698.

The previous prime is 1046909323. The next prime is 1046909399. The reversal of 1046909398 is 8939096401.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1046909399) 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 as a sum of consecutive naturals, namely, 261727348 + ... + 261727351.

It is an arithmetic number, because the mean of its divisors is an integer number (392591025).

Almost surely, 2^1046909398 is an apocalyptic number.

1046909398 is a deficient number, since it is larger than the sum of its proper divisors (523454702).

1046909398 is an equidigital number, since it uses as much as digits as its factorization.

1046909398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 523454701.

The product of its (nonzero) digits is 419904, while the sum is 49.

The square root of 1046909398 is about 32355.9793237664. The cubic root of 1046909398 is about 1015.3981461145.

The spelling of 1046909398 in words is "one billion, forty-six million, nine hundred nine thousand, three hundred ninety-eight".