1798393049 has 8 divisors (see below), whose sum is σ = 1865740800. Its totient is φ = 1731628800.

The previous prime is 1798393043. The next prime is 1798393063. The reversal of 1798393049 is 9403938971.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 1798393049 - 2¹² = 1798388953 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1798393043) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 139592 + ... + 151929.

It is an arithmetic number, because the mean of its divisors is an integer number (233217600).

Almost surely, 2^1798393049 is an apocalyptic number.

It is an amenable number.

1798393049 is a deficient number, since it is larger than the sum of its proper divisors (67347751).

1798393049 is a wasteful number, since it uses less digits than its factorization.

1798393049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 291751.

The product of its (nonzero) digits is 1469664, while the sum is 53.

The square root of 1798393049 is about 42407.4645434032. The cubic root of 1798393049 is about 1216.0782987241.

The spelling of 1798393049 in words is "one billion, seven hundred ninety-eight million, three hundred ninety-three thousand, forty-nine".