376284421 has 2 divisors, whose sum is σ = 376284422. Its totient is φ = 376284420.

The previous prime is 376284407. The next prime is 376284449. The reversal of 376284421 is 124482673.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 361950625 + 14333796 = 19025^2 + 3786^2 .

It is a cyclic number.

It is not a de Polignac number, because 376284421 - 2¹⁵ = 376251653 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (376284481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 188142210 + 188142211.

It is an arithmetic number, because the mean of its divisors is an integer number (188142211).

Almost surely, 2^376284421 is an apocalyptic number.

It is an amenable number.

376284421 is a deficient number, since it is larger than the sum of its proper divisors (1).

376284421 is an equidigital number, since it uses as much as digits as its factorization.

376284421 is an evil number, because the sum of its binary digits is even.

The product of its digits is 64512, while the sum is 37.

The square root of 376284421 is about 19398.0519898262. The cubic root of 376284421 is about 721.9471605706.

The spelling of 376284421 in words is "three hundred seventy-six million, two hundred eighty-four thousand, four hundred twenty-one".