3491428 has 24 divisors (see below), whose sum is σ = 6386688. Its totient is φ = 1668576.

The previous prime is 3491419. The next prime is 3491429. The reversal of 3491428 is 8241943.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 3491428.

It is not an unprimeable number, because it can be changed into a prime (3491429) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8925 + ... + 9307.

It is an arithmetic number, because the mean of its divisors is an integer number (266112).

Almost surely, 2^3491428 is an apocalyptic number.

It is an amenable number.

3491428 is a deficient number, since it is larger than the sum of its proper divisors (2895260).

3491428 is a wasteful number, since it uses less digits than its factorization.

3491428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 483 (or 481 counting only the distinct ones).

The product of its digits is 6912, while the sum is 31.

The square root of 3491428 is about 1868.5363255768. The cubic root of 3491428 is about 151.7053965951.

The spelling of 3491428 in words is "three million, four hundred ninety-one thousand, four hundred twenty-eight".