1408407 has 48 divisors (see below), whose sum is σ = 2604672. Its totient is φ = 665280.

The previous prime is 1408397. The next prime is 1408409. The reversal of 1408407 is 7048041.

It is not a de Polignac number, because 1408407 - 2⁷ = 1408279 is a prime.

It is a super-2 number, since 2×1408407² = 3967220555298, 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 in 47 ways as a sum of consecutive naturals, for example, 20988 + ... + 21054.

It is an arithmetic number, because the mean of its divisors is an integer number (54264).

2^1408407 is an apocalyptic number.

1408407 is a deficient number, since it is larger than the sum of its proper divisors (1196265).

1408407 is a wasteful number, since it uses less digits than its factorization.

1408407 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108 (or 101 counting only the distinct ones).

The product of its (nonzero) digits is 896, while the sum is 24.

The square root of 1408407 is about 1186.7632451336. The cubic root of 1408407 is about 112.0923717124.

The spelling of 1408407 in words is "one million, four hundred eight thousand, four hundred seven".