283427442 has 24 divisors (see below), whose sum is σ = 620996220. Its totient is φ = 93413760.

The previous prime is 283427423. The next prime is 283427461. The reversal of 283427442 is 244724382.

It is an interprime number because it is at equal distance from previous prime (283427423) and next prime (283427461).

It can be written as a sum of positive squares in 2 ways, for example, as 275925321 + 7502121 = 16611^2 + 2739^2 .

It is a super-2 number, since 2×283427442² = 160662229757326728, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 283427397 and 283427406.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 86859 + ... + 90062.

Almost surely, 2^283427442 is an apocalyptic number.

283427442 is an abundant number, since it is smaller than the sum of its proper divisors (337568778).

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

283427442 is a wasteful number, since it uses less digits than its factorization.

283427442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177018 (or 177015 counting only the distinct ones).

The product of its digits is 86016, while the sum is 36.

The square root of 283427442 is about 16835.3034424687. The cubic root of 283427442 is about 656.8718222595.

It can be divided in two parts, 2834 and 27442, that added together give a square (30276 = 174²).

The spelling of 283427442 in words is "two hundred eighty-three million, four hundred twenty-seven thousand, four hundred forty-two".