1972862148 has 24 divisors (see below), whose sum is σ = 4646369952. Its totient is φ = 651474304.

The previous prime is 1972862123. The next prime is 1972862153. The reversal of 1972862148 is 8412682791.

It is a happy number.

It is a super-2 number, since 2×1972862148² = 7784370110022347808, which contains 22 as substring.

It is a hoax number, since the sum of its digits (48) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 1972862097 and 1972862106.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 766965 + ... + 769532.

It is an arithmetic number, because the mean of its divisors is an integer number (193598748).

Almost surely, 2^1972862148 is an apocalyptic number.

It is an amenable number.

1972862148 is an abundant number, since it is smaller than the sum of its proper divisors (2673507804).

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

1972862148 is a wasteful number, since it uses less digits than its factorization.

1972862148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1536611 (or 1536609 counting only the distinct ones).

The product of its digits is 387072, while the sum is 48.

The square root of 1972862148 is about 44416.9128598555. The cubic root of 1972862148 is about 1254.1964874023.

The spelling of 1972862148 in words is "one billion, nine hundred seventy-two million, eight hundred sixty-two thousand, one hundred forty-eight".