3620245890 has 16 divisors (see below), whose sum is σ = 8688590208. Its totient is φ = 965398896.

The previous prime is 3620245879. The next prime is 3620245933. The reversal of 3620245890 is 985420263.

It is a happy number.

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, 60337402 + ... + 60337461.

It is an arithmetic number, because the mean of its divisors is an integer number (543036888).

Almost surely, 2^3620245890 is an apocalyptic number.

3620245890 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

3620245890 is an abundant number, since it is smaller than the sum of its proper divisors (5068344318).

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

3620245890 is a wasteful number, since it uses less digits than its factorization.

3620245890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120674873.

The product of its (nonzero) digits is 103680, while the sum is 39.

The square root of 3620245890 is about 60168.4792063087. The cubic root of 3620245890 is about 1535.4865727505.

The spelling of 3620245890 in words is "three billion, six hundred twenty million, two hundred forty-five thousand, eight hundred ninety".