3918470 has 8 divisors (see below), whose sum is σ = 7053264. Its totient is φ = 1567384.

The previous prime is 3918443. The next prime is 3918491. The reversal of 3918470 is 748193.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 195914 + ... + 195933.

It is an arithmetic number, because the mean of its divisors is an integer number (881658).

Almost surely, 2^3918470 is an apocalyptic number.

3918470 is a deficient number, since it is larger than the sum of its proper divisors (3134794).

3918470 is a wasteful number, since it uses less digits than its factorization.

3918470 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 391854.

The product of its (nonzero) digits is 6048, while the sum is 32.

The square root of 3918470 is about 1979.5125662647. The cubic root of 3918470 is about 157.6541867920.

The spelling of 3918470 in words is "three million, nine hundred eighteen thousand, four hundred seventy".