381102435 has 64 divisors (see below), whose sum is σ = 781747200. Its totient is φ = 172544256.

The previous prime is 381102431. The next prime is 381102443. The reversal of 381102435 is 534201183.

It is a happy number.

It is not a de Polignac number, because 381102435 - 2² = 381102431 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 381102399 and 381102408.

It is not an unprimeable number, because it can be changed into a prime (381102431) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 99231 + ... + 102999.

It is an arithmetic number, because the mean of its divisors is an integer number (12214800).

Almost surely, 2^381102435 is an apocalyptic number.

381102435 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

381102435 is an abundant number, since it is smaller than the sum of its proper divisors (400644765).

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

381102435 is a wasteful number, since it uses less digits than its factorization.

381102435 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3897 (or 3891 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 381102435 is about 19521.8450716114. The cubic root of 381102435 is about 725.0154162398.

The spelling of 381102435 in words is "three hundred eighty-one million, one hundred two thousand, four hundred thirty-five".