918841406 has 64 divisors (see below), whose sum is σ = 1711825920. Its totient is φ = 361117440.

The previous prime is 918841369. The next prime is 918841411. The reversal of 918841406 is 604148819.

918841406 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1886495 + ... + 1886981.

It is an arithmetic number, because the mean of its divisors is an integer number (26747280).

Almost surely, 2^918841406 is an apocalyptic number.

918841406 is a deficient number, since it is larger than the sum of its proper divisors (792984514).

918841406 is a wasteful number, since it uses less digits than its factorization.

918841406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 729.

The product of its (nonzero) digits is 55296, while the sum is 41.

The square root of 918841406 is about 30312.3969029175. The cubic root of 918841406 is about 972.1803809532.

The spelling of 918841406 in words is "nine hundred eighteen million, eight hundred forty-one thousand, four hundred six".