420407371 has 4 divisors (see below), whose sum is σ = 420487200. Its totient is φ = 420327544.

The previous prime is 420407359. The next prime is 420407381. The reversal of 420407371 is 173704024.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 420407371 - 2¹⁷ = 420276299 is a prime.

It is a super-2 number, since 2×420407371² = 353484715182263282, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (420407321) 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, 31411 + ... + 42748.

It is an arithmetic number, because the mean of its divisors is an integer number (105121800).

Almost surely, 2^420407371 is an apocalyptic number.

420407371 is a deficient number, since it is larger than the sum of its proper divisors (79829).

420407371 is an equidigital number, since it uses as much as digits as its factorization.

420407371 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79828.

The product of its (nonzero) digits is 4704, while the sum is 28.

The square root of 420407371 is about 20503.8379578068. The cubic root of 420407371 is about 749.1292834540.

The spelling of 420407371 in words is "four hundred twenty million, four hundred seven thousand, three hundred seventy-one".