1499406972 has 96 divisors (see below), whose sum is σ = 4096770048. Its totient is φ = 417925824.

The previous prime is 1499406971. The next prime is 1499407009. The reversal of 1499406972 is 2796049941.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1499406971) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2317153 + ... + 2317799.

It is an arithmetic number, because the mean of its divisors is an integer number (42674688).

Almost surely, 2^1499406972 is an apocalyptic number.

1499406972 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1499406972, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2048385024).

1499406972 is an abundant number, since it is smaller than the sum of its proper divisors (2597363076).

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

1499406972 is a wasteful number, since it uses less digits than its factorization.

1499406972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1295 (or 1293 counting only the distinct ones).

The product of its (nonzero) digits is 979776, while the sum is 51.

The square root of 1499406972 is about 38722.1767466655. The cubic root of 1499406972 is about 1144.5633676469.

The spelling of 1499406972 in words is "one billion, four hundred ninety-nine million, four hundred six thousand, nine hundred seventy-two".