1424399698 has 8 divisors (see below), whose sum is σ = 2176912908. Its totient is φ = 698762064.

The previous prime is 1424399681. The next prime is 1424399707. The reversal of 1424399698 is 8969934241.

It can be written as a sum of positive squares in 2 ways, for example, as 1134140329 + 290259369 = 33677^2 + 17037^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6718761 + ... + 6718972.

Almost surely, 2^1424399698 is an apocalyptic number.

1424399698 is a deficient number, since it is larger than the sum of its proper divisors (752513210).

1424399698 is a wasteful number, since it uses less digits than its factorization.

1424399698 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13437788.

The product of its digits is 3359232, while the sum is 55.

The square root of 1424399698 is about 37741.2201445581. The cubic root of 1424399698 is about 1125.1505176057.

The spelling of 1424399698 in words is "one billion, four hundred twenty-four million, three hundred ninety-nine thousand, six hundred ninety-eight".