3942270 has 80 divisors (see below), whose sum is σ = 11011968. Its totient is φ = 1010880.

The previous prime is 3942259. The next prime is 3942287. The reversal of 3942270 is 722493.

3942270 is a `hidden beast` number, since 394 + 2 + 270 = 666.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 25032 + ... + 25188.

Almost surely, 2^3942270 is an apocalyptic number.

3942270 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 3942270, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5505984).

3942270 is an abundant number, since it is smaller than the sum of its proper divisors (7069698).

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

3942270 is a wasteful number, since it uses less digits than its factorization.

3942270 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 207 (or 198 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 27.

The square root of 3942270 is about 1985.5150465307. The cubic root of 3942270 is about 157.9727293638.

The spelling of 3942270 in words is "three million, nine hundred forty-two thousand, two hundred seventy".