347490030 has 64 divisors (see below), whose sum is σ = 885530880. Its totient is φ = 86966784.

The previous prime is 347489983. The next prime is 347490061. The reversal of 347490030 is 30094743.

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

It is a self number, because there is not a number n which added to its sum of digits gives 347490030.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 237441 + ... + 238899.

It is an arithmetic number, because the mean of its divisors is an integer number (13836420).

Almost surely, 2^347490030 is an apocalyptic number.

347490030 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 347490030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (442765440).

347490030 is an abundant number, since it is smaller than the sum of its proper divisors (538040850).

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

347490030 is a wasteful number, since it uses less digits than its factorization.

347490030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1953.

The product of its (nonzero) digits is 9072, while the sum is 30.

The square root of 347490030 is about 18641.0844641614. The cubic root of 347490030 is about 703.0412102425.

The spelling of 347490030 in words is "three hundred forty-seven million, four hundred ninety thousand, thirty".