1974492 has 36 divisors (see below), whose sum is σ = 5376280. Its totient is φ = 607392.

The previous prime is 1974457. The next prime is 1974493. The reversal of 1974492 is 2944791.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1974493) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1642 + ... + 2577.

2^1974492 is an apocalyptic number.

1974492 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1974492 is an abundant number, since it is smaller than the sum of its proper divisors (3401788).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1974492 is a wasteful number, since it uses less digits than its factorization.

1974492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4242 (or 4237 counting only the distinct ones).

The product of its digits is 18144, while the sum is 36.

The square root of 1974492 is about 1405.1661823429. The cubic root of 1974492 is about 125.4541771198.

Subtracting 1974492 from its reverse (2944791), we obtain a cube (970299 = 99³).

The spelling of 1974492 in words is "one million, nine hundred seventy-four thousand, four hundred ninety-two".