342503490 has 64 divisors (see below), whose sum is σ = 957194496. Its totient is φ = 76806912.

The previous prime is 342503489. The next prime is 342503509. The reversal of 342503490 is 94305243.

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 31 ways as a sum of consecutive naturals, for example, 4257 + ... + 26516.

It is an arithmetic number, because the mean of its divisors is an integer number (14956164).

Almost surely, 2^342503490 is an apocalyptic number.

342503490 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 342503490, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (478597248).

342503490 is an abundant number, since it is smaller than the sum of its proper divisors (614691006).

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

342503490 is a wasteful number, since it uses less digits than its factorization.

342503490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30843.

The product of its (nonzero) digits is 12960, while the sum is 30.

The square root of 342503490 is about 18506.8498129747. The cubic root of 342503490 is about 699.6620749882.

The spelling of 342503490 in words is "three hundred forty-two million, five hundred three thousand, four hundred ninety".