374278869 has 6 divisors (see below), whose sum is σ = 540625046. Its totient is φ = 249519240.

The previous prime is 374278867. The next prime is 374278871. The reversal of 374278869 is 968872473.

It is an interprime number because it is at equal distance from previous prime (374278867) and next prime (374278871).

It can be written as a sum of positive squares in only one way, i.e., 328878225 + 45400644 = 18135^2 + 6738^2 .

It is not a de Polignac number, because 374278869 - 2¹ = 374278867 is a prime.

It is a super-2 number, since 2×374278869² = 280169343559838322, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (374278867) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 20793262 + ... + 20793279.

Almost surely, 2^374278869 is an apocalyptic number.

It is an amenable number.

374278869 is a deficient number, since it is larger than the sum of its proper divisors (166346177).

374278869 is a wasteful number, since it uses less digits than its factorization.

374278869 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41586547 (or 41586544 counting only the distinct ones).

The product of its digits is 4064256, while the sum is 54.

The square root of 374278869 is about 19346.2882486538. The cubic root of 374278869 is about 720.6622437021.

The spelling of 374278869 in words is "three hundred seventy-four million, two hundred seventy-eight thousand, eight hundred sixty-nine".