1924994 has 4 divisors (see below), whose sum is σ = 2887494. Its totient is φ = 962496.

The previous prime is 1924973. The next prime is 1925017. The reversal of 1924994 is 4994291.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4994291 = 59 ⋅84649.

It can be written as a sum of positive squares in only one way, i.e., 1923769 + 1225 = 1387^2 + 35^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 481247 + ... + 481250.

2^1924994 is an apocalyptic number.

1924994 is a deficient number, since it is larger than the sum of its proper divisors (962500).

1924994 is an equidigital number, since it uses as much as digits as its factorization.

1924994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 962499.

The product of its digits is 23328, while the sum is 38.

The square root of 1924994 is about 1387.4415302996. The cubic root of 1924994 is about 124.3969674926.

The spelling of 1924994 in words is "one million, nine hundred twenty-four thousand, nine hundred ninety-four".