283420641 has 16 divisors (see below), whose sum is σ = 432478208. Its totient is φ = 161730000.

The previous prime is 283420633. The next prime is 283420649. The reversal of 283420641 is 146024382.

It is an interprime number because it is at equal distance from previous prime (283420633) and next prime (283420649).

It is not a de Polignac number, because 283420641 - 2³ = 283420633 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 = 283420599 and 283420608.

It is not an unprimeable number, because it can be changed into a prime (283420649) 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, 6786 + ... + 24756.

It is an arithmetic number, because the mean of its divisors is an integer number (27029888).

Almost surely, 2^283420641 is an apocalyptic number.

283420641 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

283420641 is a deficient number, since it is larger than the sum of its proper divisors (149057567).

283420641 is a wasteful number, since it uses less digits than its factorization.

283420641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18732.

The product of its (nonzero) digits is 9216, while the sum is 30.

The square root of 283420641 is about 16835.1014549957. The cubic root of 283420641 is about 656.8665682152.

The spelling of 283420641 in words is "two hundred eighty-three million, four hundred twenty thousand, six hundred forty-one".