381402700 has 36 divisors (see below), whose sum is σ = 945880432. Its totient is φ = 130766400.

The previous prime is 381402691. The next prime is 381402737. The reversal of 381402700 is 7204183.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 271731 + ... + 273130.

Almost surely, 2^381402700 is an apocalyptic number.

It is an amenable number.

381402700 is an abundant number, since it is smaller than the sum of its proper divisors (564477732).

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

381402700 is a wasteful number, since it uses less digits than its factorization.

381402700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 544882 (or 544875 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 25.

The square root of 381402700 is about 19529.5340446207. The cubic root of 381402700 is about 725.2057759136.

Adding to 381402700 its reverse (7204183), we get a palindrome (388606883).

The spelling of 381402700 in words is "three hundred eighty-one million, four hundred two thousand, seven hundred".