1417399821 has 12 divisors (see below), whose sum is σ = 2090916672. Its totient is φ = 924827976.

The previous prime is 1417399787. The next prime is 1417399847. The reversal of 1417399821 is 1289937141.

It is not a de Polignac number, because 1417399821 - 2¹⁸ = 1417137677 is a prime.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1417399861) 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 in 11 ways as a sum of consecutive naturals, for example, 1674991 + ... + 1675836.

It is an arithmetic number, because the mean of its divisors is an integer number (174243056).

Almost surely, 2^1417399821 is an apocalyptic number.

It is an amenable number.

1417399821 is a deficient number, since it is larger than the sum of its proper divisors (673516851).

1417399821 is a wasteful number, since it uses less digits than its factorization.

1417399821 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3350880 (or 3350877 counting only the distinct ones).

The product of its digits is 108864, while the sum is 45.

The square root of 1417399821 is about 37648.3707615615. The cubic root of 1417399821 is about 1123.3043943995.

The spelling of 1417399821 in words is "one billion, four hundred seventeen million, three hundred ninety-nine thousand, eight hundred twenty-one".