421453954 has 8 divisors (see below), whose sum is σ = 638089488. Its totient is φ = 208757460.

The previous prime is 421453937. The next prime is 421453961. The reversal of 421453954 is 459354124.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 984492 + ... + 984919.

It is an arithmetic number, because the mean of its divisors is an integer number (79761186).

Almost surely, 2^421453954 is an apocalyptic number.

421453954 is a deficient number, since it is larger than the sum of its proper divisors (216635534).

421453954 is a wasteful number, since it uses less digits than its factorization.

421453954 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1969520.

The product of its digits is 86400, while the sum is 37.

The square root of 421453954 is about 20529.3437303777. The cubic root of 421453954 is about 749.7504082071.

The spelling of 421453954 in words is "four hundred twenty-one million, four hundred fifty-three thousand, nine hundred fifty-four".