387426736 has 60 divisors (see below), whose sum is σ = 810557496. Its totient is φ = 178746880.

The previous prime is 387426733. The next prime is 387426737. The reversal of 387426736 is 637624783.

It is a super-2 number, since 2×387426736² = 300198951535227392, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (387426731) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2957391 + ... + 2957521.

Almost surely, 2^387426736 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 387426736, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (405278748).

387426736 is an abundant number, since it is smaller than the sum of its proper divisors (423130760).

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

387426736 is a wasteful number, since it uses less digits than its factorization.

387426736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 370 (or 233 counting only the distinct ones).

The product of its digits is 1016064, while the sum is 46.

The square root of 387426736 is about 19683.1586896006. The cubic root of 387426736 is about 729.0039182565.

The spelling of 387426736 in words is "three hundred eighty-seven million, four hundred twenty-six thousand, seven hundred thirty-six".