347491020 has 24 divisors (see below), whose sum is σ = 972975024. Its totient is φ = 92664256.

The previous prime is 347490991. The next prime is 347491043. The reversal of 347491020 is 20194743.

It is a happy number.

347491020 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2895699 + ... + 2895818.

It is an arithmetic number, because the mean of its divisors is an integer number (40540626).

Almost surely, 2^347491020 is an apocalyptic number.

347491020 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

347491020 is an abundant number, since it is smaller than the sum of its proper divisors (625484004).

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

347491020 is a wasteful number, since it uses less digits than its factorization.

347491020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5791529 (or 5791527 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 30.

The square root of 347491020 is about 18641.1110183916. Note that the first 3 decimals coincide. The cubic root of 347491020 is about 703.0418778973.

The spelling of 347491020 in words is "three hundred forty-seven million, four hundred ninety-one thousand, twenty".