387651894 has 32 divisors (see below), whose sum is σ = 897285120. Its totient is φ = 109354752.

The previous prime is 387651877. The next prime is 387651899. The reversal of 387651894 is 498156783.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (387651899) 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, 55099 + ... + 61734.

It is an arithmetic number, because the mean of its divisors is an integer number (28040160).

Almost surely, 2^387651894 is an apocalyptic number.

387651894 is an abundant number, since it is smaller than the sum of its proper divisors (509633226).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

387651894 is a wasteful number, since it uses less digits than its factorization.

387651894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116924.

The product of its digits is 1451520, while the sum is 51.

The square root of 387651894 is about 19688.8774184817. The cubic root of 387651894 is about 729.1451142226.

The spelling of 387651894 in words is "three hundred eighty-seven million, six hundred fifty-one thousand, eight hundred ninety-four".