373821842 has 4 divisors (see below), whose sum is σ = 560732766. Its totient is φ = 186910920.

The previous prime is 373821821. The next prime is 373821853. The reversal of 373821842 is 248128373.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 248128373 = 3643 ⋅68111.

It can be written as a sum of positive squares in only one way, i.e., 227677921 + 146143921 = 15089^2 + 12089^2 .

It is a junction number, because it is equal to n+sod(n) for n = 373821796 and 373821805.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 93455459 + ... + 93455462.

Almost surely, 2^373821842 is an apocalyptic number.

373821842 is a deficient number, since it is larger than the sum of its proper divisors (186910924).

373821842 is a wasteful number, since it uses less digits than its factorization.

373821842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186910923.

The product of its digits is 64512, while the sum is 38.

The square root of 373821842 is about 19334.4728917030. The cubic root of 373821842 is about 720.3687938340.

The spelling of 373821842 in words is "three hundred seventy-three million, eight hundred twenty-one thousand, eight hundred forty-two".