4200902 has 4 divisors (see below), whose sum is σ = 6301356. Its totient is φ = 2100450.

The previous prime is 4200883. The next prime is 4200923. The reversal of 4200902 is 2090024.

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

It is a super-2 number, since 2×4200902² = 35295155227208, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1050224 + ... + 1050227.

It is an arithmetic number, because the mean of its divisors is an integer number (1575339).

Almost surely, 2^4200902 is an apocalyptic number.

4200902 is a deficient number, since it is larger than the sum of its proper divisors (2100454).

4200902 is a wasteful number, since it uses less digits than its factorization.

4200902 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2100453.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 4200902 is about 2049.6102068442. The cubic root of 4200902 is about 161.3544138760.

Adding to 4200902 its reverse (2090024), we get a palindrome (6290926).

The spelling of 4200902 in words is "four million, two hundred thousand, nine hundred two".