387801942 has 32 divisors (see below), whose sum is σ = 882904320. Its totient is φ = 112405920.

The previous prime is 387801941. The next prime is 387801961. The reversal of 387801942 is 249108783.

It is a junction number, because it is equal to n+sod(n) for n = 387801894 and 387801903.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (387801941) 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, 126217 + ... + 129252.

It is an arithmetic number, because the mean of its divisors is an integer number (27590760).

Almost surely, 2^387801942 is an apocalyptic number.

387801942 is an abundant number, since it is smaller than the sum of its proper divisors (495102378).

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

387801942 is a wasteful number, since it uses less digits than its factorization.

387801942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 255508.

The product of its (nonzero) digits is 96768, while the sum is 42.

The square root of 387801942 is about 19692.6875260844. The cubic root of 387801942 is about 729.2391785579.

The spelling of 387801942 in words is "three hundred eighty-seven million, eight hundred one thousand, nine hundred forty-two".