40894623 has 24 divisors (see below), whose sum is σ = 73646976. Its totient is φ = 21243600.

The previous prime is 40894619. The next prime is 40894643. The reversal of 40894623 is 32649804.

It is a happy number.

It is not a de Polignac number, because 40894623 - 2² = 40894619 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40894603) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 28813 + ... + 30198.

It is an arithmetic number, because the mean of its divisors is an integer number (3068624).

Almost surely, 2^40894623 is an apocalyptic number.

40894623 is a deficient number, since it is larger than the sum of its proper divisors (32752353).

40894623 is a wasteful number, since it uses less digits than its factorization.

40894623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59035 (or 59032 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 36.

The square root of 40894623 is about 6394.8903821723. The cubic root of 40894623 is about 344.5260536847.

The spelling of 40894623 in words is "forty million, eight hundred ninety-four thousand, six hundred twenty-three".