3917378490 has 32 divisors (see below), whose sum is σ = 9449447040. Its totient is φ = 1039329984.

The previous prime is 3917378483. The next prime is 3917378501. The reversal of 3917378490 is 948737193.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 325510 + ... + 337329.

It is an arithmetic number, because the mean of its divisors is an integer number (295295220).

Almost surely, 2^3917378490 is an apocalyptic number.

3917378490 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

3917378490 is an abundant number, since it is smaller than the sum of its proper divisors (5532068550).

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

3917378490 is a wasteful number, since it uses less digits than its factorization.

3917378490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 663046.

The product of its (nonzero) digits is 1143072, while the sum is 51.

The square root of 3917378490 is about 62588.9646023962. The cubic root of 3917378490 is about 1576.3954697064.

The spelling of 3917378490 in words is "three billion, nine hundred seventeen million, three hundred seventy-eight thousand, four hundred ninety".