634404454 has 16 divisors (see below), whose sum is σ = 971433216. Its totient is φ = 310653000.

The previous prime is 634404437. The next prime is 634404481. The reversal of 634404454 is 454404436.

634404454 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×634404454² = 804938022510076232, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6649 + ... + 36235.

It is an arithmetic number, because the mean of its divisors is an integer number (60714576).

Almost surely, 2^634404454 is an apocalyptic number.

634404454 is a deficient number, since it is larger than the sum of its proper divisors (337028762).

634404454 is a wasteful number, since it uses less digits than its factorization.

634404454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29811.

The product of its (nonzero) digits is 92160, while the sum is 34.

The square root of 634404454 is about 25187.3868037159. The cubic root of 634404454 is about 859.2550128440.

The spelling of 634404454 in words is "six hundred thirty-four million, four hundred four thousand, four hundred fifty-four".