1974152 has 8 divisors (see below), whose sum is σ = 3701550. Its totient is φ = 987072.

The previous prime is 1974149. The next prime is 1974163. The reversal of 1974152 is 2514791.

It can be written as a sum of positive squares in only one way, i.e., 1653796 + 320356 = 1286^2 + 566^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×1974152² = 7794552238208, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 123377 + ... + 123392.

2^1974152 is an apocalyptic number.

It is an amenable number.

1974152 is a deficient number, since it is larger than the sum of its proper divisors (1727398).

1974152 is a wasteful number, since it uses less digits than its factorization.

1974152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 246775 (or 246771 counting only the distinct ones).

The product of its digits is 2520, while the sum is 29.

The square root of 1974152 is about 1405.0451950026. The cubic root of 1974152 is about 125.4469757960.

The spelling of 1974152 in words is "one million, nine hundred seventy-four thousand, one hundred fifty-two".