1499406894 has 24 divisors (see below), whose sum is σ = 3360740760. Its totient is φ = 482567568.

The previous prime is 1499406893. The next prime is 1499406899. The reversal of 1499406894 is 4986049941.

It is a happy number.

1499406894 is a `hidden beast` number, since 1 + 499 + 4 + 0 + 68 + 94 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 1499406894.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1499406893) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1435692 + ... + 1436735.

It is an arithmetic number, because the mean of its divisors is an integer number (140030865).

Almost surely, 2^1499406894 is an apocalyptic number.

1499406894 is an abundant number, since it is smaller than the sum of its proper divisors (1861333866).

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

1499406894 is a wasteful number, since it uses less digits than its factorization.

1499406894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2872464 (or 2872461 counting only the distinct ones).

The product of its (nonzero) digits is 2239488, while the sum is 54.

The square root of 1499406894 is about 38722.1757394907. The cubic root of 1499406894 is about 1144.5633478000.

The spelling of 1499406894 in words is "one billion, four hundred ninety-nine million, four hundred six thousand, eight hundred ninety-four".