378353346 has 32 divisors (see below), whose sum is σ = 910325760. Its totient is φ = 102411216.

The previous prime is 378353321. The next prime is 378353347. The reversal of 378353346 is 643353873.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 378353298 and 378353307.

It is not an unprimeable number, because it can be changed into a prime (378353347) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 236266 + ... + 237861.

It is an arithmetic number, because the mean of its divisors is an integer number (28447680).

Almost surely, 2^378353346 is an apocalyptic number.

378353346 is an abundant number, since it is smaller than the sum of its proper divisors (531972414).

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

378353346 is a wasteful number, since it uses less digits than its factorization.

378353346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 474158.

The product of its digits is 544320, while the sum is 42.

The square root of 378353346 is about 19451.3070511984. The cubic root of 378353346 is about 723.2679038318.

The spelling of 378353346 in words is "three hundred seventy-eight million, three hundred fifty-three thousand, three hundred forty-six".