378835830 has 48 divisors (see below), whose sum is σ = 985944960. Its totient is φ = 100923264.

The previous prime is 378835823. The next prime is 378835843. The reversal of 378835830 is 38538873.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 157114 + ... + 159506.

It is an arithmetic number, because the mean of its divisors is an integer number (20540520).

Almost surely, 2^378835830 is an apocalyptic number.

378835830 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

378835830 is an abundant number, since it is smaller than the sum of its proper divisors (607109130).

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

378835830 is a wasteful number, since it uses less digits than its factorization.

378835830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4165 (or 4162 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 45.

The square root of 378835830 is about 19463.7054539982. The cubic root of 378835830 is about 723.5752152944.

The spelling of 378835830 in words is "three hundred seventy-eight million, eight hundred thirty-five thousand, eight hundred thirty".