374246021 has 4 divisors (see below), whose sum is σ = 393943200. Its totient is φ = 354548844.

The previous prime is 374246017. The next prime is 374246023. The reversal of 374246021 is 120642473.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 374246021 - 2² = 374246017 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (374246023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9848561 + ... + 9848598.

It is an arithmetic number, because the mean of its divisors is an integer number (98485800).

Almost surely, 2^374246021 is an apocalyptic number.

It is an amenable number.

374246021 is a deficient number, since it is larger than the sum of its proper divisors (19697179).

374246021 is a wasteful number, since it uses less digits than its factorization.

374246021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19697178.

The product of its (nonzero) digits is 8064, while the sum is 29.

The square root of 374246021 is about 19345.4392816498. The cubic root of 374246021 is about 720.6411604868.

Adding to 374246021 its reverse (120642473), we get a palindrome (494888494).

The spelling of 374246021 in words is "three hundred seventy-four million, two hundred forty-six thousand, twenty-one".