1952998730 has 16 divisors (see below), whose sum is σ = 3535721064. Its totient is φ = 776683200.

The previous prime is 1952998727. The next prime is 1952998757. The reversal of 1952998730 is 378992591.

It can be written as a sum of positive squares in 4 ways, for example, as 1948074769 + 4923961 = 44137^2 + 2219^2 .

It is a super-2 number, since 2×1952998730² = 7628408078763225800, which contains 22 as substring.

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, 562721 + ... + 566180.

Almost surely, 2^1952998730 is an apocalyptic number.

1952998730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1952998730 is a deficient number, since it is larger than the sum of its proper divisors (1582722334).

1952998730 is a wasteful number, since it uses less digits than its factorization.

1952998730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1129081.

The product of its (nonzero) digits is 1224720, while the sum is 53.

The square root of 1952998730 is about 44192.7452190968. The cubic root of 1952998730 is about 1249.9730618195.

The spelling of 1952998730 in words is "one billion, nine hundred fifty-two million, nine hundred ninety-eight thousand, seven hundred thirty".