420896437 has 8 divisors (see below), whose sum is σ = 459011840. Its totient is φ = 383600880.

The previous prime is 420896431. The next prime is 420896453. The reversal of 420896437 is 734698024.

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

It is a de Polignac number, because none of the positive numbers 2^k-420896437 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 420896393 and 420896402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420896431) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 203889 + ... + 205942.

It is an arithmetic number, because the mean of its divisors is an integer number (57376480).

Almost surely, 2^420896437 is an apocalyptic number.

It is an amenable number.

420896437 is a deficient number, since it is larger than the sum of its proper divisors (38115403).

420896437 is a wasteful number, since it uses less digits than its factorization.

420896437 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 409923.

The product of its (nonzero) digits is 290304, while the sum is 43.

The square root of 420896437 is about 20515.7606975710. The cubic root of 420896437 is about 749.4196618742.

The spelling of 420896437 in words is "four hundred twenty million, eight hundred ninety-six thousand, four hundred thirty-seven".