10923978 has 32 divisors (see below), whose sum is σ = 24083136. Its totient is φ = 3282048.

The previous prime is 10923967. The next prime is 10924003. The reversal of 10923978 is 87932901.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1726 + ... + 4982.

It is an arithmetic number, because the mean of its divisors is an integer number (752598).

Almost surely, 2^10923978 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10923978, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12041568).

10923978 is an abundant number, since it is smaller than the sum of its proper divisors (13159158).

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

10923978 is a wasteful number, since it uses less digits than its factorization.

10923978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3318.

The product of its (nonzero) digits is 27216, while the sum is 39.

The square root of 10923978 is about 3305.1441723471. The cubic root of 10923978 is about 221.8844866142.

The spelling of 10923978 in words is "ten million, nine hundred twenty-three thousand, nine hundred seventy-eight".