3946742190 has 24 divisors (see below), whose sum is σ = 10261529928. Its totient is φ = 1052464560.

The previous prime is 3946742179. The next prime is 3946742207. The reversal of 3946742190 is 912476493.

It is a happy number.

3946742190 is a `hidden beast` number, since 394 + 6 + 74 + 2 + 190 = 666.

It is a super-2 number, since 2×3946742190² = 31153547828651992200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21926256 + ... + 21926435.

It is an arithmetic number, because the mean of its divisors is an integer number (427563747).

Almost surely, 2^3946742190 is an apocalyptic number.

3946742190 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

3946742190 is an abundant number, since it is smaller than the sum of its proper divisors (6314787738).

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

3946742190 is a wasteful number, since it uses less digits than its factorization.

3946742190 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43852704 (or 43852701 counting only the distinct ones).

The product of its (nonzero) digits is 326592, while the sum is 45.

The square root of 3946742190 is about 62823.1023589253. The cubic root of 3946742190 is about 1580.3244259828.

The spelling of 3946742190 in words is "three billion, nine hundred forty-six million, seven hundred forty-two thousand, one hundred ninety".