424620641 has 8 divisors (see below), whose sum is σ = 453890304. Its totient is φ = 396251680.

The previous prime is 424620631. The next prime is 424620653. The reversal of 424620641 is 146026424.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-424620641 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (424620631) 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, 224201 + ... + 226086.

It is an arithmetic number, because the mean of its divisors is an integer number (56736288).

Almost surely, 2^424620641 is an apocalyptic number.

424620641 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

It is an amenable number.

424620641 is a deficient number, since it is larger than the sum of its proper divisors (29269663).

424620641 is a wasteful number, since it uses less digits than its factorization.

424620641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 450351.

The product of its (nonzero) digits is 9216, while the sum is 29.

The square root of 424620641 is about 20606.3252667719. The cubic root of 424620641 is about 751.6235295185.

The spelling of 424620641 in words is "four hundred twenty-four million, six hundred twenty thousand, six hundred forty-one".