387049953 has 16 divisors (see below), whose sum is σ = 521864640. Its totient is φ = 255144384.

The previous prime is 387049951. The next prime is 387049981. The reversal of 387049953 is 359940783.

It is not a de Polignac number, because 387049953 - 2¹ = 387049951 is a prime.

It is a super-2 number, since 2×387049953² = 299615332234604418, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (387049951) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 222475 + ... + 224207.

It is an arithmetic number, because the mean of its divisors is an integer number (32616540).

Almost surely, 2^387049953 is an apocalyptic number.

It is an amenable number.

387049953 is a deficient number, since it is larger than the sum of its proper divisors (134814687).

387049953 is a wasteful number, since it uses less digits than its factorization.

387049953 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2528.

The product of its (nonzero) digits is 816480, while the sum is 48.

The square root of 387049953 is about 19673.5851587859. The cubic root of 387049953 is about 728.7675162486.

The spelling of 387049953 in words is "three hundred eighty-seven million, forty-nine thousand, nine hundred fifty-three".