1007981914 has 4 divisors (see below), whose sum is σ = 1511972874. Its totient is φ = 503990956.

The previous prime is 1007981911. The next prime is 1007981921. The reversal of 1007981914 is 4191897001.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 811281289 + 196700625 = 28483^2 + 14025^2 .

It is a super-2 number, since 2×1007981914² = 2032055077902206792, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1007981911) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 251995477 + ... + 251995480.

Almost surely, 2^1007981914 is an apocalyptic number.

1007981914 is a deficient number, since it is larger than the sum of its proper divisors (503990960).

1007981914 is an equidigital number, since it uses as much as digits as its factorization.

1007981914 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 503990959.

The product of its (nonzero) digits is 18144, while the sum is 40.

The square root of 1007981914 is about 31748.7309037700. The cubic root of 1007981914 is about 1002.6535902304.

The spelling of 1007981914 in words is "one billion, seven million, nine hundred eighty-one thousand, nine hundred fourteen".