420492629 has 16 divisors (see below), whose sum is σ = 451778880. Its totient is φ = 390199680.

The previous prime is 420492623. The next prime is 420492641. The reversal of 420492629 is 926294024.

It is a cyclic number.

It is not a de Polignac number, because 420492629 - 2⁴ = 420492613 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 420492592 and 420492601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420492623) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 216794 + ... + 218724.

It is an arithmetic number, because the mean of its divisors is an integer number (28236180).

Almost surely, 2^420492629 is an apocalyptic number.

It is an amenable number.

420492629 is a deficient number, since it is larger than the sum of its proper divisors (31286251).

420492629 is a wasteful number, since it uses less digits than its factorization.

420492629 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2180.

The product of its (nonzero) digits is 62208, while the sum is 38.

The square root of 420492629 is about 20505.9169265849. The cubic root of 420492629 is about 749.1799208055.

The spelling of 420492629 in words is "four hundred twenty million, four hundred ninety-two thousand, six hundred twenty-nine".