1601284 has 6 divisors (see below), whose sum is σ = 2802254. Its totient is φ = 800640.

The previous prime is 1601273. The next prime is 1601287. The reversal of 1601284 is 4821061.

It can be written as a sum of positive squares in only one way, i.e., 1322500 + 278784 = 1150^2 + 528^2 .

It is a super-2 number, since 2×1601284² = 5128220897312, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1601287) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 200157 + ... + 200164.

2^1601284 is an apocalyptic number.

It is an amenable number.

1601284 is a deficient number, since it is larger than the sum of its proper divisors (1200970).

1601284 is a wasteful number, since it uses less digits than its factorization.

1601284 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 400325 (or 400323 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 22.

The square root of 1601284 is about 1265.4185078463. The cubic root of 1601284 is about 116.9919881528.

It can be divided in two parts, 160 and 1284, that added together give a square (1444 = 38²).

The spelling of 1601284 in words is "one million, six hundred one thousand, two hundred eighty-four".