387372426 has 32 divisors (see below), whose sum is σ = 898644480. Its totient is φ = 109025136.

The previous prime is 387372413. The next prime is 387372443. The reversal of 387372426 is 624273783.

It is a super-3 number, since 3×387372426³ (a number of 27 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 66016 + ... + 71643.

It is an arithmetic number, because the mean of its divisors is an integer number (28082640).

Almost surely, 2^387372426 is an apocalyptic number.

387372426 is an abundant number, since it is smaller than the sum of its proper divisors (511272054).

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

387372426 is a wasteful number, since it uses less digits than its factorization.

387372426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137738.

The product of its digits is 338688, while the sum is 42.

The square root of 387372426 is about 19681.7790354429. The cubic root of 387372426 is about 728.9698524153.

The spelling of 387372426 in words is "three hundred eighty-seven million, three hundred seventy-two thousand, four hundred twenty-six".