387340451 has 2 divisors, whose sum is σ = 387340452. Its totient is φ = 387340450.

The previous prime is 387340417. The next prime is 387340463. The reversal of 387340451 is 154043783.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 387340451 - 2²² = 383146147 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (387340951) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 193670225 + 193670226.

It is an arithmetic number, because the mean of its divisors is an integer number (193670226).

Almost surely, 2^387340451 is an apocalyptic number.

387340451 is a deficient number, since it is larger than the sum of its proper divisors (1).

387340451 is an equidigital number, since it uses as much as digits as its factorization.

387340451 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 40320, while the sum is 35.

The square root of 387340451 is about 19680.9667191426. The cubic root of 387340451 is about 728.9497946700.

The spelling of 387340451 in words is "three hundred eighty-seven million, three hundred forty thousand, four hundred fifty-one".