1958914397 has 32 divisors (see below), whose sum is σ = 2261385216. Its totient is φ = 1680494400.

The previous prime is 1958914381. The next prime is 1958914469. The reversal of 1958914397 is 7934198591.

It is a cyclic number.

It is not a de Polignac number, because 1958914397 - 2⁴ = 1958914381 is a prime.

It is a super-2 number, since 2×1958914397² = 7674691229547747218, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1958914327) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5114468 + ... + 5114850.

It is an arithmetic number, because the mean of its divisors is an integer number (70668288).

Almost surely, 2^1958914397 is an apocalyptic number.

It is an amenable number.

1958914397 is a deficient number, since it is larger than the sum of its proper divisors (302470819).

1958914397 is a wasteful number, since it uses less digits than its factorization.

1958914397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 761.

The product of its digits is 2449440, while the sum is 56.

The square root of 1958914397 is about 44259.6249080355. The cubic root of 1958914397 is about 1251.2338530446.

The spelling of 1958914397 in words is "one billion, nine hundred fifty-eight million, nine hundred fourteen thousand, three hundred ninety-seven".