1408905946 has 16 divisors (see below), whose sum is σ = 2432646720. Its totient is φ = 599472000.

The previous prime is 1408905941. The next prime is 1408905947. The reversal of 1408905946 is 6495098041.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1408905896 and 1408905905.

It is not an unprimeable number, because it can be changed into a prime (1408905941) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 360055 + ... + 363946.

It is an arithmetic number, because the mean of its divisors is an integer number (152040420).

Almost surely, 2^1408905946 is an apocalyptic number.

1408905946 is a deficient number, since it is larger than the sum of its proper divisors (1023740774).

1408905946 is a wasteful number, since it uses less digits than its factorization.

1408905946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 724149.

The product of its (nonzero) digits is 311040, while the sum is 46.

The square root of 1408905946 is about 37535.3959083956. The cubic root of 1408905946 is about 1121.0560686326.

The spelling of 1408905946 in words is "one billion, four hundred eight million, nine hundred five thousand, nine hundred forty-six".