1408419 has 6 divisors (see below), whose sum is σ = 2034396. Its totient is φ = 938940.

The previous prime is 1408417. The next prime is 1408453. The reversal of 1408419 is 9148041.

It is not a de Polignac number, because 1408419 - 2¹ = 1408417 is a prime.

It is a super-2 number, since 2×1408419² = 3967288159122, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1408392 and 1408401.

It is not an unprimeable number, because it can be changed into a prime (1408411) 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 5 ways as a sum of consecutive naturals, for example, 78237 + ... + 78254.

It is an arithmetic number, because the mean of its divisors is an integer number (339066).

2^1408419 is an apocalyptic number.

1408419 is a deficient number, since it is larger than the sum of its proper divisors (625977).

1408419 is a wasteful number, since it uses less digits than its factorization.

1408419 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156497 (or 156494 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 27.

The square root of 1408419 is about 1186.7683008911. The cubic root of 1408419 is about 112.0926900637.

The spelling of 1408419 in words is "one million, four hundred eight thousand, four hundred nineteen".