1627972 has 6 divisors (see below), whose sum is σ = 2848958. Its totient is φ = 813984.

The previous prime is 1627943. The next prime is 1627979. The reversal of 1627972 is 2797261.

It can be written as a sum of positive squares in only one way, i.e., 1597696 + 30276 = 1264^2 + 174^2 .

It is a plaindrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (1627979) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 203493 + ... + 203500.

2^1627972 is an apocalyptic number.

It is an amenable number.

1627972 is a deficient number, since it is larger than the sum of its proper divisors (1220986).

1627972 is a wasteful number, since it uses less digits than its factorization.

1627972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 406997 (or 406995 counting only the distinct ones).

The product of its digits is 10584, while the sum is 34.

The square root of 1627972 is about 1275.9200601919. The cubic root of 1627972 is about 117.6383642398.

The spelling of 1627972 in words is "one million, six hundred twenty-seven thousand, nine hundred seventy-two".