1958402 has 4 divisors (see below), whose sum is σ = 2937606. Its totient is φ = 979200.

The previous prime is 1958357. The next prime is 1958413. The reversal of 1958402 is 2048591.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2048591 = 523 ⋅3917.

It can be written as a sum of positive squares in only one way, i.e., 1585081 + 373321 = 1259^2 + 611^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 489599 + ... + 489602.

2^1958402 is an apocalyptic number.

1958402 is a deficient number, since it is larger than the sum of its proper divisors (979204).

1958402 is an equidigital number, since it uses as much as digits as its factorization.

1958402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 979203.

The product of its (nonzero) digits is 2880, while the sum is 29.

The square root of 1958402 is about 1399.4291693401. The cubic root of 1958402 is about 125.1124747651.

The spelling of 1958402 in words is "one million, nine hundred fifty-eight thousand, four hundred two".