1046399623 has 8 divisors (see below), whose sum is σ = 1109064528. Its totient is φ = 983858304.

The previous prime is 1046399621. The next prime is 1046399659. The reversal of 1046399623 is 3269936401.

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

It is a cyclic number.

It is not a de Polignac number, because 1046399623 - 2¹ = 1046399621 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1046399623.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1046399621) 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, 13161 + ... + 47602.

It is an arithmetic number, because the mean of its divisors is an integer number (138633066).

Almost surely, 2^1046399623 is an apocalyptic number.

1046399623 is a deficient number, since it is larger than the sum of its proper divisors (62664905).

1046399623 is a wasteful number, since it uses less digits than its factorization.

1046399623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61793.

The product of its (nonzero) digits is 209952, while the sum is 43.

The square root of 1046399623 is about 32348.1007634142. The cubic root of 1046399623 is about 1015.2333089822.

The spelling of 1046399623 in words is "one billion, forty-six million, three hundred ninety-nine thousand, six hundred twenty-three".