1974628 has 6 divisors (see below), whose sum is σ = 3455606. Its totient is φ = 987312.

The previous prime is 1974569. The next prime is 1974641. The reversal of 1974628 is 8264791.

It can be written as a sum of positive squares in only one way, i.e., 1272384 + 702244 = 1128^2 + 838^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 246825 + ... + 246832.

2^1974628 is an apocalyptic number.

It is an amenable number.

1974628 is a deficient number, since it is larger than the sum of its proper divisors (1480978).

1974628 is a wasteful number, since it uses less digits than its factorization.

1974628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 493661 (or 493659 counting only the distinct ones).

The product of its digits is 24192, while the sum is 37.

The square root of 1974628 is about 1405.2145743622. The cubic root of 1974628 is about 125.4570574179.

It can be divided in two parts, 19 and 74628, that added together give a palindrome (74647).

The spelling of 1974628 in words is "one million, nine hundred seventy-four thousand, six hundred twenty-eight".