283725420 has 48 divisors (see below), whose sum is σ = 866654208. Its totient is φ = 68781760.

The previous prime is 283725397. The next prime is 283725437. The reversal of 283725420 is 24527382.

It is a super-2 number, since 2×283725420² = 161000227908352800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 214284 + ... + 215603.

It is an arithmetic number, because the mean of its divisors is an integer number (18055296).

Almost surely, 2^283725420 is an apocalyptic number.

283725420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

283725420 is an abundant number, since it is smaller than the sum of its proper divisors (582928788).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

283725420 is a wasteful number, since it uses less digits than its factorization.

283725420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 429910 (or 429908 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 33.

The square root of 283725420 is about 16844.1509135961. The cubic root of 283725420 is about 657.1019397063.

The spelling of 283725420 in words is "two hundred eighty-three million, seven hundred twenty-five thousand, four hundred twenty".