694424055 has 16 divisors (see below), whose sum is σ = 1196546400. Its totient is φ = 341870208.

The previous prime is 694424051. The next prime is 694424089. The reversal of 694424055 is 550424496.

It is a happy number.

694424055 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 694424055 - 2² = 694424051 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (694424051) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1780380 + ... + 1780769.

It is an arithmetic number, because the mean of its divisors is an integer number (74784150).

Almost surely, 2^694424055 is an apocalyptic number.

694424055 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

694424055 is a deficient number, since it is larger than the sum of its proper divisors (502122345).

694424055 is a wasteful number, since it uses less digits than its factorization.

694424055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3561170.

The product of its (nonzero) digits is 172800, while the sum is 39.

The square root of 694424055 is about 26351.9269693888. The cubic root of 694424055 is about 885.5401407602.

The spelling of 694424055 in words is "six hundred ninety-four million, four hundred twenty-four thousand, fifty-five".