1601884 has 6 divisors (see below), whose sum is σ = 2803304. Its totient is φ = 800940.

The previous prime is 1601869. The next prime is 1601953. The reversal of 1601884 is 4881061.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 200232 + ... + 200239.

2^1601884 is an apocalyptic number.

It is an amenable number.

1601884 is a deficient number, since it is larger than the sum of its proper divisors (1201420).

1601884 is a wasteful number, since it uses less digits than its factorization.

1601884 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 400475 (or 400473 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 28.

The square root of 1601884 is about 1265.6555613594. The cubic root of 1601884 is about 117.0065986003.

It can be divided in two parts, 1601 and 884, that added together give a triangular number (2485 = T₇₀).

The spelling of 1601884 in words is "one million, six hundred one thousand, eight hundred eighty-four".