1356904 has 32 divisors (see below), whose sum is σ = 2736000. Its totient is φ = 628992.

The previous prime is 1356899. The next prime is 1356907. The reversal of 1356904 is 4096531.

1356904 = T₉₅ + T₉₆ + ... + T₂₀₇.

It is not an unprimeable number, because it can be changed into a prime (1356907) 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, 11952 + ... + 12064.

It is an arithmetic number, because the mean of its divisors is an integer number (85500).

2^1356904 is an apocalyptic number.

It is an amenable number.

1356904 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

1356904 is a wasteful number, since it uses less digits than its factorization.

1356904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 217 (or 213 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 28.

The square root of 1356904 is about 1164.8622236127. The cubic root of 1356904 is about 110.7090287975.

The spelling of 1356904 in words is "one million, three hundred fifty-six thousand, nine hundred four".