387449485 has 16 divisors (see below), whose sum is σ = 476824320. Its totient is φ = 302135680.

The previous prime is 387449473. The next prime is 387449497. The reversal of 387449485 is 584944783.

It is an interprime number because it is at equal distance from previous prime (387449473) and next prime (387449497).

It is not a de Polignac number, because 387449485 - 2⁵ = 387449453 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25464 + ... + 37726.

It is an arithmetic number, because the mean of its divisors is an integer number (29801520).

Almost surely, 2^387449485 is an apocalyptic number.

It is an amenable number.

387449485 is a deficient number, since it is larger than the sum of its proper divisors (89374835).

387449485 is a wasteful number, since it uses less digits than its factorization.

387449485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12428.

The product of its digits is 3870720, while the sum is 52.

The square root of 387449485 is about 19683.7365609277. The cubic root of 387449485 is about 729.0181865761.

The spelling of 387449485 in words is "three hundred eighty-seven million, four hundred forty-nine thousand, four hundred eighty-five".