1606372 has 6 divisors (see below), whose sum is σ = 2811158. Its totient is φ = 803184.

The previous prime is 1606349. The next prime is 1606379. The reversal of 1606372 is 2736061.

It can be written as a sum of positive squares in only one way, i.e., 1572516 + 33856 = 1254^2 + 184^2 .

It is a nialpdrome in base 13.

It is not an unprimeable number, because it can be changed into a prime (1606379) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 200793 + ... + 200800.

2^1606372 is an apocalyptic number.

It is an amenable number.

1606372 is a deficient number, since it is larger than the sum of its proper divisors (1204786).

1606372 is a wasteful number, since it uses less digits than its factorization.

1606372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 401597 (or 401595 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 25.

The square root of 1606372 is about 1267.4273154702. The cubic root of 1606372 is about 117.1157692105.

The spelling of 1606372 in words is "one million, six hundred six thousand, three hundred seventy-two".