1974245 has 16 divisors (see below), whose sum is σ = 2916480. Its totient is φ = 1249344.

The previous prime is 1974239. The next prime is 1974263. The reversal of 1974245 is 5424791.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1974245 - 2⁴ = 1974229 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1715 + ... + 2624.

It is an arithmetic number, because the mean of its divisors is an integer number (182280).

2^1974245 is an apocalyptic number.

It is an amenable number.

1974245 is a deficient number, since it is larger than the sum of its proper divisors (942235).

1974245 is a wasteful number, since it uses less digits than its factorization.

1974245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4364.

The product of its digits is 10080, while the sum is 32.

The square root of 1974245 is about 1405.0782896337. The cubic root of 1974245 is about 125.4489456520.

The spelling of 1974245 in words is "one million, nine hundred seventy-four thousand, two hundred forty-five".