1408408 has 8 divisors (see below), whose sum is σ = 2640780. Its totient is φ = 704200.

The previous prime is 1408397. The next prime is 1408409. The reversal of 1408408 is 8048041.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×1408408² = 3967226188928, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1408409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 88018 + ... + 88033.

2^1408408 is an apocalyptic number.

It is an amenable number.

1408408 is a deficient number, since it is larger than the sum of its proper divisors (1232372).

1408408 is a wasteful number, since it uses less digits than its factorization.

1408408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176057 (or 176053 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 25.

The square root of 1408408 is about 1186.7636664475. The cubic root of 1408408 is about 112.0923982417.

The spelling of 1408408 in words is "one million, four hundred eight thousand, four hundred eight".