420896438 has 8 divisors (see below), whose sum is σ = 668482632. Its totient is φ = 198068896.

The previous prime is 420896431. The next prime is 420896453. The reversal of 420896438 is 834698024.

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

It is a Curzon number.

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 3 ways as a sum of consecutive naturals, for example, 6189620 + ... + 6189687.

It is an arithmetic number, because the mean of its divisors is an integer number (83560329).

Almost surely, 2^420896438 is an apocalyptic number.

420896438 is a deficient number, since it is larger than the sum of its proper divisors (247586194).

420896438 is a wasteful number, since it uses less digits than its factorization.

420896438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12379326.

The product of its (nonzero) digits is 331776, while the sum is 44.

The square root of 420896438 is about 20515.7607219425. The cubic root of 420896438 is about 749.4196624677.

The spelling of 420896438 in words is "four hundred twenty million, eight hundred ninety-six thousand, four hundred thirty-eight".