421459494 has 32 divisors (see below), whose sum is σ = 873573120. Its totient is φ = 135395232.

The previous prime is 421459457. The next prime is 421459499. The reversal of 421459494 is 494954124.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (421459499) 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, 109999 + ... + 113765.

It is an arithmetic number, because the mean of its divisors is an integer number (27299160).

Almost surely, 2^421459494 is an apocalyptic number.

421459494 is an abundant number, since it is smaller than the sum of its proper divisors (452113626).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

421459494 is a wasteful number, since it uses less digits than its factorization.

421459494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4444.

The product of its digits is 207360, while the sum is 42.

The square root of 421459494 is about 20529.4786587483. The cubic root of 421459494 is about 749.7536933418.

The spelling of 421459494 in words is "four hundred twenty-one million, four hundred fifty-nine thousand, four hundred ninety-four".