387043426 has 24 divisors (see below), whose sum is σ = 729308160. Its totient is φ = 150795480.

The previous prime is 387043381. The next prime is 387043427. The reversal of 387043426 is 624340783.

It is a happy number.

It is a super-2 number, since 2×387043426² = 299605227219634952, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (387043427) 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, 112546 + ... + 115933.

It is an arithmetic number, because the mean of its divisors is an integer number (30387840).

Almost surely, 2^387043426 is an apocalyptic number.

387043426 is a deficient number, since it is larger than the sum of its proper divisors (342264734).

387043426 is a wasteful number, since it uses less digits than its factorization.

387043426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 228510 (or 228499 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 37.

The square root of 387043426 is about 19673.4192757639. The cubic root of 387043426 is about 728.7634197125.

The spelling of 387043426 in words is "three hundred eighty-seven million, forty-three thousand, four hundred twenty-six".