1399419 has 24 divisors (see below), whose sum is σ = 2344160. Its totient is φ = 787968.

The previous prime is 1399417. The next prime is 1399427. The reversal of 1399419 is 9149931.

It is not a de Polignac number, because 1399419 - 2¹ = 1399417 is a prime.

It is a super-2 number, since 2×1399419² = 3916747075122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1399417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5997 + ... + 6225.

2^1399419 is an apocalyptic number.

1399419 is a deficient number, since it is larger than the sum of its proper divisors (944741).

1399419 is a wasteful number, since it uses less digits than its factorization.

1399419 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 339 (or 336 counting only the distinct ones).

The product of its digits is 8748, while the sum is 36.

The square root of 1399419 is about 1182.9704138312. The cubic root of 1399419 is about 111.8534168699.

The spelling of 1399419 in words is "one million, three hundred ninety-nine thousand, four hundred nineteen".