421088607 has 6 divisors (see below), whose sum is σ = 608239112. Its totient is φ = 280725732.

The previous prime is 421088599. The next prime is 421088611. The reversal of 421088607 is 706880124.

421088607 is a `hidden beast` number, since 42 + 1 + 0 + 8 + 8 + 607 = 666.

It is not a de Polignac number, because 421088607 - 2³ = 421088599 is a prime.

It is a super-2 number, since 2×421088607² = 354631229890400898, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (421080607) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 23393803 + ... + 23393820.

Almost surely, 2^421088607 is an apocalyptic number.

421088607 is a deficient number, since it is larger than the sum of its proper divisors (187150505).

421088607 is a wasteful number, since it uses less digits than its factorization.

421088607 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46787629 (or 46787626 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 36.

The square root of 421088607 is about 20520.4436355553. The cubic root of 421088607 is about 749.5336994785.

The spelling of 421088607 in words is "four hundred twenty-one million, eighty-eight thousand, six hundred seven".