421256034 has 24 divisors (see below), whose sum is σ = 916716060. Its totient is φ = 139804128.

The previous prime is 421256029. The next prime is 421256053. The reversal of 421256034 is 430652124.

421256034 is a `hidden beast` number, since 42 + 12 + 5 + 603 + 4 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 351450009 + 69806025 = 18747^2 + 8355^2 .

It is a junction number, because it is equal to n+sod(n) for n = 421255989 and 421256007.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 46977 + ... + 55220.

Almost surely, 2^421256034 is an apocalyptic number.

421256034 is an abundant number, since it is smaller than the sum of its proper divisors (495460026).

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

421256034 is a wasteful number, since it uses less digits than its factorization.

421256034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102434 (or 102431 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 421256034 is about 20524.5227471920. The cubic root of 421256034 is about 749.6330258025.

The spelling of 421256034 in words is "four hundred twenty-one million, two hundred fifty-six thousand, thirty-four".