1408408386 has 32 divisors (see below), whose sum is σ = 3511876608. Its totient is φ = 365820240.

The previous prime is 1408408279. The next prime is 1408408423. The reversal of 1408408386 is 6838048041.

1408408386 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×1408408386² = 3967228363510249992, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1523790 + ... + 1524713.

It is an arithmetic number, because the mean of its divisors is an integer number (109746144).

Almost surely, 2^1408408386 is an apocalyptic number.

1408408386 is an abundant number, since it is smaller than the sum of its proper divisors (2103468222).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1408408386 is a wasteful number, since it uses less digits than its factorization.

1408408386 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3048526.

The product of its (nonzero) digits is 147456, while the sum is 42.

The square root of 1408408386 is about 37528.7674457875. The cubic root of 1408408386 is about 1120.9240848206.

1408408386 divided by its sum of digits (42) gives a palindrome (33533533).

The spelling of 1408408386 in words is "one billion, four hundred eight million, four hundred eight thousand, three hundred eighty-six".